Home / 14,201,422.80-21,302,134.20-9,666,459.60

Finding the Fourth Proportional to 14,201,422.80, 21,302,134.20 and 9,666,459.60

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Solution

The fourth proportional to 14,201,422.80, 21,302,134.20 and 9,666,459.60 is: 14,499,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201,422.80 : 21,302,134.20 = 9,666,459.60 : x
  2. Step 2: Convert to fraction form
    14,201,422.80/21,302,134.20 = 9,666,459.60/x
  3. Step 3: Cross multiply
    14,201,422.80x = 21,302,134.20 × 9,666,459.60
  4. Step 4: Simplify right side
    14,201,422.80x = 205,916,219,638,078.31
  5. Step 5: Solve for x
    x = 205,916,219,638,078.31/14,201,422.80
  6. Step 6: Final answer
    x = 14,499,689.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.