Home / 10,797,678.52-14,900,973.36-6,447,145

Finding the Fourth Proportional to 10,797,678.52, 14,900,973.36 and 6,447,145

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Solution

The fourth proportional to 10,797,678.52, 14,900,973.36 and 6,447,145 is: 8,897,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797,678.52 : 14,900,973.36 = 6,447,145 : x
  2. Step 2: Convert to fraction form
    10,797,678.52/14,900,973.36 = 6,447,145/x
  3. Step 3: Cross multiply
    10,797,678.52x = 14,900,973.36 × 6,447,145
  4. Step 4: Simplify right side
    10,797,678.52x = 96,068,735,893,057.20
  5. Step 5: Solve for x
    x = 96,068,735,893,057.20/10,797,678.52
  6. Step 6: Final answer
    x = 8,897,165.79

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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.