Home / 8,059,280.90-12,088,921.35-7,586,500.10

Finding the Fourth Proportional to 8,059,280.90, 12,088,921.35 and 7,586,500.10

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Solution

The fourth proportional to 8,059,280.90, 12,088,921.35 and 7,586,500.10 is: 11,379,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,280.90 : 12,088,921.35 = 7,586,500.10 : x
  2. Step 2: Convert to fraction form
    8,059,280.90/12,088,921.35 = 7,586,500.10/x
  3. Step 3: Cross multiply
    8,059,280.90x = 12,088,921.35 × 7,586,500.10
  4. Step 4: Simplify right side
    8,059,280.90x = 91,712,603,030,667.12
  5. Step 5: Solve for x
    x = 91,712,603,030,667.12/8,059,280.90
  6. Step 6: Final answer
    x = 11,379,750.15

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Double scale
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Similar ratio
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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.