Home / 8,833,999.89-12,240,108.96-8,642,681.13

Finding the Fourth Proportional to 8,833,999.89, 12,240,108.96 and 8,642,681.13

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Solution

The fourth proportional to 8,833,999.89, 12,240,108.96 and 8,642,681.13 is: 11,975,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833,999.89 : 12,240,108.96 = 8,642,681.13 : x
  2. Step 2: Convert to fraction form
    8,833,999.89/12,240,108.96 = 8,642,681.13/x
  3. Step 3: Cross multiply
    8,833,999.89x = 12,240,108.96 × 8,642,681.13
  4. Step 4: Simplify right side
    8,833,999.89x = 105,787,358,737,735.94
  5. Step 5: Solve for x
    x = 105,787,358,737,735.94/8,833,999.89
  6. Step 6: Final answer
    x = 11,975,023.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.