Home / 8,830,778.05-12,186,583.55-5,346,070.57

Finding the Fourth Proportional to 8,830,778.05, 12,186,583.55 and 5,346,070.57

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Solution

The fourth proportional to 8,830,778.05, 12,186,583.55 and 5,346,070.57 is: 7,377,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830,778.05 : 12,186,583.55 = 5,346,070.57 : x
  2. Step 2: Convert to fraction form
    8,830,778.05/12,186,583.55 = 5,346,070.57/x
  3. Step 3: Cross multiply
    8,830,778.05x = 12,186,583.55 × 5,346,070.57
  4. Step 4: Simplify right side
    8,830,778.05x = 65,150,335,665,501.13
  5. Step 5: Solve for x
    x = 65,150,335,665,501.13/8,830,778.05
  6. Step 6: Final answer
    x = 7,377,643.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.