Home / 15,506,230.86-21,375,651.87-9,923,862.06

Finding the Fourth Proportional to 15,506,230.86, 21,375,651.87 and 9,923,862.06

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Solution

The fourth proportional to 15,506,230.86, 21,375,651.87 and 9,923,862.06 is: 13,680,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506,230.86 : 21,375,651.87 = 9,923,862.06 : x
  2. Step 2: Convert to fraction form
    15,506,230.86/21,375,651.87 = 9,923,862.06/x
  3. Step 3: Cross multiply
    15,506,230.86x = 21,375,651.87 × 9,923,862.06
  4. Step 4: Simplify right side
    15,506,230.86x = 212,129,020,600,461.06
  5. Step 5: Solve for x
    x = 212,129,020,600,461.06/15,506,230.86
  6. Step 6: Final answer
    x = 13,680,243.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.