Home / 31,947,006.12-47,942,071.17-12,513,821.58

Finding the Fourth Proportional to 31,947,006.12, 47,942,071.17 and 12,513,821.58

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Solution

The fourth proportional to 31,947,006.12, 47,942,071.17 and 12,513,821.58 is: 18,779,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947,006.12 : 47,942,071.17 = 12,513,821.58 : x
  2. Step 2: Convert to fraction form
    31,947,006.12/47,942,071.17 = 12,513,821.58/x
  3. Step 3: Cross multiply
    31,947,006.12x = 47,942,071.17 × 12,513,821.58
  4. Step 4: Simplify right side
    31,947,006.12x = 599,938,524,797,041.88
  5. Step 5: Solve for x
    x = 599,938,524,797,041.88/31,947,006.12
  6. Step 6: Final answer
    x = 18,779,178.32

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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.