Home / 12,949,088.10-19,430,630.55-5,761,731.30

Finding the Fourth Proportional to 12,949,088.10, 19,430,630.55 and 5,761,731.30

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Solution

The fourth proportional to 12,949,088.10, 19,430,630.55 and 5,761,731.30 is: 8,645,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,088.10 : 19,430,630.55 = 5,761,731.30 : x
  2. Step 2: Convert to fraction form
    12,949,088.10/19,430,630.55 = 5,761,731.30/x
  3. Step 3: Cross multiply
    12,949,088.10x = 19,430,630.55 × 5,761,731.30
  4. Step 4: Simplify right side
    12,949,088.10x = 111,954,072,218,671.22
  5. Step 5: Solve for x
    x = 111,954,072,218,671.22/12,949,088.10
  6. Step 6: Final answer
    x = 8,645,710.91

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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.