Home / 13,114,018.80-19,671,028.20-9,287,643.60

Finding the Fourth Proportional to 13,114,018.80, 19,671,028.20 and 9,287,643.60

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Solution

The fourth proportional to 13,114,018.80, 19,671,028.20 and 9,287,643.60 is: 13,931,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114,018.80 : 19,671,028.20 = 9,287,643.60 : x
  2. Step 2: Convert to fraction form
    13,114,018.80/19,671,028.20 = 9,287,643.60/x
  3. Step 3: Cross multiply
    13,114,018.80x = 19,671,028.20 × 9,287,643.60
  4. Step 4: Simplify right side
    13,114,018.80x = 182,697,499,167,149.50
  5. Step 5: Solve for x
    x = 182,697,499,167,149.50/13,114,018.80
  6. Step 6: Final answer
    x = 13,931,465.40

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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.