Home / 31,779,830.16-47,670,188.10-9,060,727.40

Finding the Fourth Proportional to 31,779,830.16, 47,670,188.10 and 9,060,727.40

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Solution

The fourth proportional to 31,779,830.16, 47,670,188.10 and 9,060,727.40 is: 13,591,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779,830.16 : 47,670,188.10 = 9,060,727.40 : x
  2. Step 2: Convert to fraction form
    31,779,830.16/47,670,188.10 = 9,060,727.40/x
  3. Step 3: Cross multiply
    31,779,830.16x = 47,670,188.10 × 9,060,727.40
  4. Step 4: Simplify right side
    31,779,830.16x = 431,926,579,480,824
  5. Step 5: Solve for x
    x = 431,926,579,480,824/31,779,830.16
  6. Step 6: Final answer
    x = 13,591,217.36

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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.