Home / 19,316,229.40-28,974,344.10-4,940,422.30

Finding the Fourth Proportional to 19,316,229.40, 28,974,344.10 and 4,940,422.30

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Solution

The fourth proportional to 19,316,229.40, 28,974,344.10 and 4,940,422.30 is: 7,410,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,229.40 : 28,974,344.10 = 4,940,422.30 : x
  2. Step 2: Convert to fraction form
    19,316,229.40/28,974,344.10 = 4,940,422.30/x
  3. Step 3: Cross multiply
    19,316,229.40x = 28,974,344.10 × 4,940,422.30
  4. Step 4: Simplify right side
    19,316,229.40x = 143,145,495,719,513.44
  5. Step 5: Solve for x
    x = 143,145,495,719,513.44/19,316,229.40
  6. Step 6: Final answer
    x = 7,410,633.45

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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.