Home / 10,513,657.80-15,771,005.10-5,474,809.80

Finding the Fourth Proportional to 10,513,657.80, 15,771,005.10 and 5,474,809.80

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Solution

The fourth proportional to 10,513,657.80, 15,771,005.10 and 5,474,809.80 is: 8,212,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,657.80 : 15,771,005.10 = 5,474,809.80 : x
  2. Step 2: Convert to fraction form
    10,513,657.80/15,771,005.10 = 5,474,809.80/x
  3. Step 3: Cross multiply
    10,513,657.80x = 15,771,005.10 × 5,474,809.80
  4. Step 4: Simplify right side
    10,513,657.80x = 86,343,253,277,329.97
  5. Step 5: Solve for x
    x = 86,343,253,277,329.97/10,513,657.80
  6. Step 6: Final answer
    x = 8,212,484.65

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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.