Home / 13,781,593.12-19,018,598.76-7,671,465.04

Finding the Fourth Proportional to 13,781,593.12, 19,018,598.76 and 7,671,465.04

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Solution

The fourth proportional to 13,781,593.12, 19,018,598.76 and 7,671,465.04 is: 10,586,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,593.12 : 19,018,598.76 = 7,671,465.04 : x
  2. Step 2: Convert to fraction form
    13,781,593.12/19,018,598.76 = 7,671,465.04/x
  3. Step 3: Cross multiply
    13,781,593.12x = 19,018,598.76 × 7,671,465.04
  4. Step 4: Simplify right side
    13,781,593.12x = 145,900,515,497,127.38
  5. Step 5: Solve for x
    x = 145,900,515,497,127.38/13,781,593.12
  6. Step 6: Final answer
    x = 10,586,621.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.