Home / 20,249,876.43-30,377,970-6,599,855.97

Finding the Fourth Proportional to 20,249,876.43, 30,377,970 and 6,599,855.97

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Solution

The fourth proportional to 20,249,876.43, 30,377,970 and 6,599,855.97 is: 9,900,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249,876.43 : 30,377,970 = 6,599,855.97 : x
  2. Step 2: Convert to fraction form
    20,249,876.43/30,377,970 = 6,599,855.97/x
  3. Step 3: Cross multiply
    20,249,876.43x = 30,377,970 × 6,599,855.97
  4. Step 4: Simplify right side
    20,249,876.43x = 200,490,226,660,980.91
  5. Step 5: Solve for x
    x = 200,490,226,660,980.91/20,249,876.43
  6. Step 6: Final answer
    x = 9,900,812.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.