Home / 14,417,020.32-19,894,678.56-7,890,636.48

Finding the Fourth Proportional to 14,417,020.32, 19,894,678.56 and 7,890,636.48

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Solution

The fourth proportional to 14,417,020.32, 19,894,678.56 and 7,890,636.48 is: 10,888,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417,020.32 : 19,894,678.56 = 7,890,636.48 : x
  2. Step 2: Convert to fraction form
    14,417,020.32/19,894,678.56 = 7,890,636.48/x
  3. Step 3: Cross multiply
    14,417,020.32x = 19,894,678.56 × 7,890,636.48
  4. Step 4: Simplify right side
    14,417,020.32x = 156,981,676,403,409.88
  5. Step 5: Solve for x
    x = 156,981,676,403,409.88/14,417,020.32
  6. Step 6: Final answer
    x = 10,888,635.30

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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.