Home / 15,565,829.70-23,348,744.55-8,391,376.20

Finding the Fourth Proportional to 15,565,829.70, 23,348,744.55 and 8,391,376.20

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Solution

The fourth proportional to 15,565,829.70, 23,348,744.55 and 8,391,376.20 is: 12,587,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,829.70 : 23,348,744.55 = 8,391,376.20 : x
  2. Step 2: Convert to fraction form
    15,565,829.70/23,348,744.55 = 8,391,376.20/x
  3. Step 3: Cross multiply
    15,565,829.70x = 23,348,744.55 × 8,391,376.20
  4. Step 4: Simplify right side
    15,565,829.70x = 195,928,099,316,749.69
  5. Step 5: Solve for x
    x = 195,928,099,316,749.69/15,565,829.70
  6. Step 6: Final answer
    x = 12,587,064.30

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1.5x scale

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.