Home / 15,177,079.84-22,755,507.16-8,356,864.72

Finding the Fourth Proportional to 15,177,079.84, 22,755,507.16 and 8,356,864.72

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Solution

The fourth proportional to 15,177,079.84, 22,755,507.16 and 8,356,864.72 is: 12,529,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,079.84 : 22,755,507.16 = 8,356,864.72 : x
  2. Step 2: Convert to fraction form
    15,177,079.84/22,755,507.16 = 8,356,864.72/x
  3. Step 3: Cross multiply
    15,177,079.84x = 22,755,507.16 × 8,356,864.72
  4. Step 4: Simplify right side
    15,177,079.84x = 190,164,694,971,111.38
  5. Step 5: Solve for x
    x = 190,164,694,971,111.38/15,177,079.84
  6. Step 6: Final answer
    x = 12,529,728.84

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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.