Home / 14,096,669.60-21,145,004.40-8,687,781.20

Finding the Fourth Proportional to 14,096,669.60, 21,145,004.40 and 8,687,781.20

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Solution

The fourth proportional to 14,096,669.60, 21,145,004.40 and 8,687,781.20 is: 13,031,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,096,669.60 : 21,145,004.40 = 8,687,781.20 : x
  2. Step 2: Convert to fraction form
    14,096,669.60/21,145,004.40 = 8,687,781.20/x
  3. Step 3: Cross multiply
    14,096,669.60x = 21,145,004.40 × 8,687,781.20
  4. Step 4: Simplify right side
    14,096,669.60x = 183,703,171,700,237.25
  5. Step 5: Solve for x
    x = 183,703,171,700,237.25/14,096,669.60
  6. Step 6: Final answer
    x = 13,031,671.80

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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.