Home / 14,487,226.64-19,992,531.89-7,960,857.78

Finding the Fourth Proportional to 14,487,226.64, 19,992,531.89 and 7,960,857.78

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Solution

The fourth proportional to 14,487,226.64, 19,992,531.89 and 7,960,857.78 is: 10,986,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,226.64 : 19,992,531.89 = 7,960,857.78 : x
  2. Step 2: Convert to fraction form
    14,487,226.64/19,992,531.89 = 7,960,857.78/x
  3. Step 3: Cross multiply
    14,487,226.64x = 19,992,531.89 × 7,960,857.78
  4. Step 4: Simplify right side
    14,487,226.64x = 159,157,703,038,404.62
  5. Step 5: Solve for x
    x = 159,157,703,038,404.62/14,487,226.64
  6. Step 6: Final answer
    x = 10,986,071.18

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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.