Home / 14,382,429.20-19,847,618.12-7,856,056.16

Finding the Fourth Proportional to 14,382,429.20, 19,847,618.12 and 7,856,056.16

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Solution

The fourth proportional to 14,382,429.20, 19,847,618.12 and 7,856,056.16 is: 10,841,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382,429.20 : 19,847,618.12 = 7,856,056.16 : x
  2. Step 2: Convert to fraction form
    14,382,429.20/19,847,618.12 = 7,856,056.16/x
  3. Step 3: Cross multiply
    14,382,429.20x = 19,847,618.12 × 7,856,056.16
  4. Step 4: Simplify right side
    14,382,429.20x = 155,924,002,592,953.62
  5. Step 5: Solve for x
    x = 155,924,002,592,953.62/14,382,429.20
  6. Step 6: Final answer
    x = 10,841,284.21

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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.