Home / 9,072,856.80-13,609,285.20-8,860,280.40

Finding the Fourth Proportional to 9,072,856.80, 13,609,285.20 and 8,860,280.40

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Solution

The fourth proportional to 9,072,856.80, 13,609,285.20 and 8,860,280.40 is: 13,290,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,856.80 : 13,609,285.20 = 8,860,280.40 : x
  2. Step 2: Convert to fraction form
    9,072,856.80/13,609,285.20 = 8,860,280.40/x
  3. Step 3: Cross multiply
    9,072,856.80x = 13,609,285.20 × 8,860,280.40
  4. Step 4: Simplify right side
    9,072,856.80x = 120,582,082,915,570.08
  5. Step 5: Solve for x
    x = 120,582,082,915,570.08/9,072,856.80
  6. Step 6: Final answer
    x = 13,290,420.60

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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.