Home / 20,036,818.50-27,650,862.76-10,869,461.25

Finding the Fourth Proportional to 20,036,818.50, 27,650,862.76 and 10,869,461.25

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Solution

The fourth proportional to 20,036,818.50, 27,650,862.76 and 10,869,461.25 is: 14,999,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,818.50 : 27,650,862.76 = 10,869,461.25 : x
  2. Step 2: Convert to fraction form
    20,036,818.50/27,650,862.76 = 10,869,461.25/x
  3. Step 3: Cross multiply
    20,036,818.50x = 27,650,862.76 × 10,869,461.25
  4. Step 4: Simplify right side
    20,036,818.50x = 300,549,981,223,823.56
  5. Step 5: Solve for x
    x = 300,549,981,223,823.56/20,036,818.50
  6. Step 6: Final answer
    x = 14,999,885.40

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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.