Home / 31,551,081.48-47,340,133.02-9,987,438.60

Finding the Fourth Proportional to 31,551,081.48, 47,340,133.02 and 9,987,438.60

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Solution

The fourth proportional to 31,551,081.48, 47,340,133.02 and 9,987,438.60 is: 14,985,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551,081.48 : 47,340,133.02 = 9,987,438.60 : x
  2. Step 2: Convert to fraction form
    31,551,081.48/47,340,133.02 = 9,987,438.60/x
  3. Step 3: Cross multiply
    31,551,081.48x = 47,340,133.02 × 9,987,438.60
  4. Step 4: Simplify right side
    31,551,081.48x = 472,806,671,853,082.56
  5. Step 5: Solve for x
    x = 472,806,671,853,082.56/31,551,081.48
  6. Step 6: Final answer
    x = 14,985,434.72

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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.