Home / 10,620,655.20-15,929,139.60-3,885,602.40

Finding the Fourth Proportional to 10,620,655.20, 15,929,139.60 and 3,885,602.40

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Solution

The fourth proportional to 10,620,655.20, 15,929,139.60 and 3,885,602.40 is: 5,827,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620,655.20 : 15,929,139.60 = 3,885,602.40 : x
  2. Step 2: Convert to fraction form
    10,620,655.20/15,929,139.60 = 3,885,602.40/x
  3. Step 3: Cross multiply
    10,620,655.20x = 15,929,139.60 × 3,885,602.40
  4. Step 4: Simplify right side
    10,620,655.20x = 61,894,303,059,695.04
  5. Step 5: Solve for x
    x = 61,894,303,059,695.04/10,620,655.20
  6. Step 6: Final answer
    x = 5,827,729.26

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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.