Home / 8,902,285.70-13,353,428.55-8,078,552.15

Finding the Fourth Proportional to 8,902,285.70, 13,353,428.55 and 8,078,552.15

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Solution

The fourth proportional to 8,902,285.70, 13,353,428.55 and 8,078,552.15 is: 12,117,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,285.70 : 13,353,428.55 = 8,078,552.15 : x
  2. Step 2: Convert to fraction form
    8,902,285.70/13,353,428.55 = 8,078,552.15/x
  3. Step 3: Cross multiply
    8,902,285.70x = 13,353,428.55 × 8,078,552.15
  4. Step 4: Simplify right side
    8,902,285.70x = 107,876,368,922,473.89
  5. Step 5: Solve for x
    x = 107,876,368,922,473.89/8,902,285.70
  6. Step 6: Final answer
    x = 12,117,828.23

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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.