Home / 12,858,491.60-19,280,729.40-3,881,877.20

Finding the Fourth Proportional to 12,858,491.60, 19,280,729.40 and 3,881,877.20

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Solution

The fourth proportional to 12,858,491.60, 19,280,729.40 and 3,881,877.20 is: 5,820,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,491.60 : 19,280,729.40 = 3,881,877.20 : x
  2. Step 2: Convert to fraction form
    12,858,491.60/19,280,729.40 = 3,881,877.20/x
  3. Step 3: Cross multiply
    12,858,491.60x = 19,280,729.40 × 3,881,877.20
  4. Step 4: Simplify right side
    12,858,491.60x = 74,845,423,857,229.67
  5. Step 5: Solve for x
    x = 74,845,423,857,229.67/12,858,491.60
  6. Step 6: Final answer
    x = 5,820,700.14

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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.