Home / 21,851,581.04-30,155,187.52-12,062,031.20

Finding the Fourth Proportional to 21,851,581.04, 30,155,187.52 and 12,062,031.20

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Solution

The fourth proportional to 21,851,581.04, 30,155,187.52 and 12,062,031.20 is: 16,645,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,581.04 : 30,155,187.52 = 12,062,031.20 : x
  2. Step 2: Convert to fraction form
    21,851,581.04/30,155,187.52 = 12,062,031.20/x
  3. Step 3: Cross multiply
    21,851,581.04x = 30,155,187.52 × 12,062,031.20
  4. Step 4: Simplify right side
    21,851,581.04x = 363,732,812,708,090.62
  5. Step 5: Solve for x
    x = 363,732,812,708,090.62/21,851,581.04
  6. Step 6: Final answer
    x = 16,645,606.19

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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.