Home / 10,502,345.42-15,744,063.81-3,769,184.78

Finding the Fourth Proportional to 10,502,345.42, 15,744,063.81 and 3,769,184.78

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Solution

The fourth proportional to 10,502,345.42, 15,744,063.81 and 3,769,184.78 is: 5,650,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,345.42 : 15,744,063.81 = 3,769,184.78 : x
  2. Step 2: Convert to fraction form
    10,502,345.42/15,744,063.81 = 3,769,184.78/x
  3. Step 3: Cross multiply
    10,502,345.42x = 15,744,063.81 × 3,769,184.78
  4. Step 4: Simplify right side
    10,502,345.42x = 59,342,285,688,000.81
  5. Step 5: Solve for x
    x = 59,342,285,688,000.81/10,502,345.42
  6. Step 6: Final answer
    x = 5,650,384.11

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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.