Home / 15,559,000.74-21,474,231.72-9,279,930.87

Finding the Fourth Proportional to 15,559,000.74, 21,474,231.72 and 9,279,930.87

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Solution

The fourth proportional to 15,559,000.74, 21,474,231.72 and 9,279,930.87 is: 12,807,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559,000.74 : 21,474,231.72 = 9,279,930.87 : x
  2. Step 2: Convert to fraction form
    15,559,000.74/21,474,231.72 = 9,279,930.87/x
  3. Step 3: Cross multiply
    15,559,000.74x = 21,474,231.72 × 9,279,930.87
  4. Step 4: Simplify right side
    15,559,000.74x = 199,279,385,847,961.16
  5. Step 5: Solve for x
    x = 199,279,385,847,961.16/15,559,000.74
  6. Step 6: Final answer
    x = 12,807,981.00

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1.5x scale

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.