Home / 15,565,830.70-23,348,746.05-8,391,377.20

Finding the Fourth Proportional to 15,565,830.70, 23,348,746.05 and 8,391,377.20

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Solution

The fourth proportional to 15,565,830.70, 23,348,746.05 and 8,391,377.20 is: 12,587,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,830.70 : 23,348,746.05 = 8,391,377.20 : x
  2. Step 2: Convert to fraction form
    15,565,830.70/23,348,746.05 = 8,391,377.20/x
  3. Step 3: Cross multiply
    15,565,830.70x = 23,348,746.05 × 8,391,377.20
  4. Step 4: Simplify right side
    15,565,830.70x = 195,928,135,252,560.06
  5. Step 5: Solve for x
    x = 195,928,135,252,560.06/15,565,830.70
  6. Step 6: Final answer
    x = 12,587,065.80

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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.