Home / 31,539,962.92-47,309,628.66-9,974,568.28

Finding the Fourth Proportional to 31,539,962.92, 47,309,628.66 and 9,974,568.28

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Solution

The fourth proportional to 31,539,962.92, 47,309,628.66 and 9,974,568.28 is: 14,961,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,962.92 : 47,309,628.66 = 9,974,568.28 : x
  2. Step 2: Convert to fraction form
    31,539,962.92/47,309,628.66 = 9,974,568.28/x
  3. Step 3: Cross multiply
    31,539,962.92x = 47,309,628.66 × 9,974,568.28
  4. Step 4: Simplify right side
    31,539,962.92x = 471,893,121,370,614.81
  5. Step 5: Solve for x
    x = 471,893,121,370,614.81/31,539,962.92
  6. Step 6: Final answer
    x = 14,961,752.57

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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.