Home / 31,779,830.78-47,670,189.05-9,060,728.03

Finding the Fourth Proportional to 31,779,830.78, 47,670,189.05 and 9,060,728.03

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Solution

The fourth proportional to 31,779,830.78, 47,670,189.05 and 9,060,728.03 is: 13,591,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779,830.78 : 47,670,189.05 = 9,060,728.03 : x
  2. Step 2: Convert to fraction form
    31,779,830.78/47,670,189.05 = 9,060,728.03/x
  3. Step 3: Cross multiply
    31,779,830.78x = 47,670,189.05 × 9,060,728.03
  4. Step 4: Simplify right side
    31,779,830.78x = 431,926,617,837,079.50
  5. Step 5: Solve for x
    x = 431,926,617,837,079.50/31,779,830.78
  6. Step 6: Final answer
    x = 13,591,218.31

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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.