Home / 10,769,451.52-16,130,443.36-8,901,756.72

Finding the Fourth Proportional to 10,769,451.52, 16,130,443.36 and 8,901,756.72

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Solution

The fourth proportional to 10,769,451.52, 16,130,443.36 and 8,901,756.72 is: 13,333,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769,451.52 : 16,130,443.36 = 8,901,756.72 : x
  2. Step 2: Convert to fraction form
    10,769,451.52/16,130,443.36 = 8,901,756.72/x
  3. Step 3: Cross multiply
    10,769,451.52x = 16,130,443.36 × 8,901,756.72
  4. Step 4: Simplify right side
    10,769,451.52x = 143,589,282,576,459.38
  5. Step 5: Solve for x
    x = 143,589,282,576,459.38/10,769,451.52
  6. Step 6: Final answer
    x = 13,333,017.22

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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.