Home / 14,921,999.70-22,382,999.55-8,532,897.90

Finding the Fourth Proportional to 14,921,999.70, 22,382,999.55 and 8,532,897.90

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Solution

The fourth proportional to 14,921,999.70, 22,382,999.55 and 8,532,897.90 is: 12,799,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921,999.70 : 22,382,999.55 = 8,532,897.90 : x
  2. Step 2: Convert to fraction form
    14,921,999.70/22,382,999.55 = 8,532,897.90/x
  3. Step 3: Cross multiply
    14,921,999.70x = 22,382,999.55 × 8,532,897.90
  4. Step 4: Simplify right side
    14,921,999.70x = 190,991,849,855,895.97
  5. Step 5: Solve for x
    x = 190,991,849,855,895.97/14,921,999.70
  6. Step 6: Final answer
    x = 12,799,346.85

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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.