Home / 31,945,428.30-47,918,142.45-11,748,045.90

Finding the Fourth Proportional to 31,945,428.30, 47,918,142.45 and 11,748,045.90

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Solution

The fourth proportional to 31,945,428.30, 47,918,142.45 and 11,748,045.90 is: 17,622,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945,428.30 : 47,918,142.45 = 11,748,045.90 : x
  2. Step 2: Convert to fraction form
    31,945,428.30/47,918,142.45 = 11,748,045.90/x
  3. Step 3: Cross multiply
    31,945,428.30x = 47,918,142.45 × 11,748,045.90
  4. Step 4: Simplify right side
    31,945,428.30x = 562,944,536,945,338.50
  5. Step 5: Solve for x
    x = 562,944,536,945,338.50/31,945,428.30
  6. Step 6: Final answer
    x = 17,622,068.85

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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.