Home / 14,229,479.16-19,636,677.10-7,703,103.78

Finding the Fourth Proportional to 14,229,479.16, 19,636,677.10 and 7,703,103.78

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Solution

The fourth proportional to 14,229,479.16, 19,636,677.10 and 7,703,103.78 is: 10,630,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,479.16 : 19,636,677.10 = 7,703,103.78 : x
  2. Step 2: Convert to fraction form
    14,229,479.16/19,636,677.10 = 7,703,103.78/x
  3. Step 3: Cross multiply
    14,229,479.16x = 19,636,677.10 × 7,703,103.78
  4. Step 4: Simplify right side
    14,229,479.16x = 151,263,361,595,649.47
  5. Step 5: Solve for x
    x = 151,263,361,595,649.47/14,229,479.16
  6. Step 6: Final answer
    x = 10,630,280.97

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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.