Home / 21,386,938.60-32,096,154.30-8,616,608.20

Finding the Fourth Proportional to 21,386,938.60, 32,096,154.30 and 8,616,608.20

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Solution

The fourth proportional to 21,386,938.60, 32,096,154.30 and 8,616,608.20 is: 12,931,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,938.60 : 32,096,154.30 = 8,616,608.20 : x
  2. Step 2: Convert to fraction form
    21,386,938.60/32,096,154.30 = 8,616,608.20/x
  3. Step 3: Cross multiply
    21,386,938.60x = 32,096,154.30 × 8,616,608.20
  4. Step 4: Simplify right side
    21,386,938.60x = 276,559,986,329,845.25
  5. Step 5: Solve for x
    x = 276,559,986,329,845.25/21,386,938.60
  6. Step 6: Final answer
    x = 12,931,256.39

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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.