Home / 10,902,528.30-16,353,792.45-6,640,502.70

Finding the Fourth Proportional to 10,902,528.30, 16,353,792.45 and 6,640,502.70

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Solution

The fourth proportional to 10,902,528.30, 16,353,792.45 and 6,640,502.70 is: 9,960,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,528.30 : 16,353,792.45 = 6,640,502.70 : x
  2. Step 2: Convert to fraction form
    10,902,528.30/16,353,792.45 = 6,640,502.70/x
  3. Step 3: Cross multiply
    10,902,528.30x = 16,353,792.45 × 6,640,502.70
  4. Step 4: Simplify right side
    10,902,528.30x = 108,597,402,919,464.61
  5. Step 5: Solve for x
    x = 108,597,402,919,464.61/10,902,528.30
  6. Step 6: Final answer
    x = 9,960,754.05

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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.