Home / 14,142,892.80-21,214,339.20-5,166,278.40

Finding the Fourth Proportional to 14,142,892.80, 21,214,339.20 and 5,166,278.40

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Solution

The fourth proportional to 14,142,892.80, 21,214,339.20 and 5,166,278.40 is: 7,749,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142,892.80 : 21,214,339.20 = 5,166,278.40 : x
  2. Step 2: Convert to fraction form
    14,142,892.80/21,214,339.20 = 5,166,278.40/x
  3. Step 3: Cross multiply
    14,142,892.80x = 21,214,339.20 × 5,166,278.40
  4. Step 4: Simplify right side
    14,142,892.80x = 109,599,182,379,233.28
  5. Step 5: Solve for x
    x = 109,599,182,379,233.28/14,142,892.80
  6. Step 6: Final answer
    x = 7,749,417.60

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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.