Home / 21,294,416.40-31,941,624.60-14,491,971.60

Finding the Fourth Proportional to 21,294,416.40, 31,941,624.60 and 14,491,971.60

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Solution

The fourth proportional to 21,294,416.40, 31,941,624.60 and 14,491,971.60 is: 21,737,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,416.40 : 31,941,624.60 = 14,491,971.60 : x
  2. Step 2: Convert to fraction form
    21,294,416.40/31,941,624.60 = 14,491,971.60/x
  3. Step 3: Cross multiply
    21,294,416.40x = 31,941,624.60 × 14,491,971.60
  4. Step 4: Simplify right side
    21,294,416.40x = 462,897,116,561,061.38
  5. Step 5: Solve for x
    x = 462,897,116,561,061.38/21,294,416.40
  6. Step 6: Final answer
    x = 21,737,957.40

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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.