Home / 8,678,261.76-13,017,807.81-7,159,127.82

Finding the Fourth Proportional to 8,678,261.76, 13,017,807.81 and 7,159,127.82

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Solution

The fourth proportional to 8,678,261.76, 13,017,807.81 and 7,159,127.82 is: 10,739,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,261.76 : 13,017,807.81 = 7,159,127.82 : x
  2. Step 2: Convert to fraction form
    8,678,261.76/13,017,807.81 = 7,159,127.82/x
  3. Step 3: Cross multiply
    8,678,261.76x = 13,017,807.81 × 7,159,127.82
  4. Step 4: Simplify right side
    8,678,261.76x = 93,196,150,047,984.28
  5. Step 5: Solve for x
    x = 93,196,150,047,984.28/8,678,261.76
  6. Step 6: Final answer
    x = 10,739,034.22

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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.