Home / 31,480,103.70-47,220,155.55-11,287,386.90

Finding the Fourth Proportional to 31,480,103.70, 47,220,155.55 and 11,287,386.90

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Solution

The fourth proportional to 31,480,103.70, 47,220,155.55 and 11,287,386.90 is: 16,931,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480,103.70 : 47,220,155.55 = 11,287,386.90 : x
  2. Step 2: Convert to fraction form
    31,480,103.70/47,220,155.55 = 11,287,386.90/x
  3. Step 3: Cross multiply
    31,480,103.70x = 47,220,155.55 × 11,287,386.90
  4. Step 4: Simplify right side
    31,480,103.70x = 532,992,165,171,032.25
  5. Step 5: Solve for x
    x = 532,992,165,171,032.25/31,480,103.70
  6. Step 6: Final answer
    x = 16,931,080.35

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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.