Home / 8,501,358.60-12,776,921.10-7,406,497.80

Finding the Fourth Proportional to 8,501,358.60, 12,776,921.10 and 7,406,497.80

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Solution

The fourth proportional to 8,501,358.60, 12,776,921.10 and 7,406,497.80 is: 11,131,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,358.60 : 12,776,921.10 = 7,406,497.80 : x
  2. Step 2: Convert to fraction form
    8,501,358.60/12,776,921.10 = 7,406,497.80/x
  3. Step 3: Cross multiply
    8,501,358.60x = 12,776,921.10 × 7,406,497.80
  4. Step 4: Simplify right side
    8,501,358.60x = 94,632,238,017,923.58
  5. Step 5: Solve for x
    x = 94,632,238,017,923.58/8,501,358.60
  6. Step 6: Final answer
    x = 11,131,425.28

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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.