Home / 14,177,712.60-21,266,568.90-6,605,443.80

Finding the Fourth Proportional to 14,177,712.60, 21,266,568.90 and 6,605,443.80

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Solution

The fourth proportional to 14,177,712.60, 21,266,568.90 and 6,605,443.80 is: 9,908,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177,712.60 : 21,266,568.90 = 6,605,443.80 : x
  2. Step 2: Convert to fraction form
    14,177,712.60/21,266,568.90 = 6,605,443.80/x
  3. Step 3: Cross multiply
    14,177,712.60x = 21,266,568.90 × 6,605,443.80
  4. Step 4: Simplify right side
    14,177,712.60x = 140,475,125,687,777.81
  5. Step 5: Solve for x
    x = 140,475,125,687,777.81/14,177,712.60
  6. Step 6: Final answer
    x = 9,908,165.70

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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.