Home / 7,803,608.10-11,705,412.15-7,644,175.80

Finding the Fourth Proportional to 7,803,608.10, 11,705,412.15 and 7,644,175.80

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Solution

The fourth proportional to 7,803,608.10, 11,705,412.15 and 7,644,175.80 is: 11,466,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803,608.10 : 11,705,412.15 = 7,644,175.80 : x
  2. Step 2: Convert to fraction form
    7,803,608.10/11,705,412.15 = 7,644,175.80/x
  3. Step 3: Cross multiply
    7,803,608.10x = 11,705,412.15 × 7,644,175.80
  4. Step 4: Simplify right side
    7,803,608.10x = 89,478,228,286,055.97
  5. Step 5: Solve for x
    x = 89,478,228,286,055.97/7,803,608.10
  6. Step 6: Final answer
    x = 11,466,263.70

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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.