Home / 10,769,424.48-16,130,402.91-8,901,729.72

Finding the Fourth Proportional to 10,769,424.48, 16,130,402.91 and 8,901,729.72

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Solution

The fourth proportional to 10,769,424.48, 16,130,402.91 and 8,901,729.72 is: 13,332,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769,424.48 : 16,130,402.91 = 8,901,729.72 : x
  2. Step 2: Convert to fraction form
    10,769,424.48/16,130,402.91 = 8,901,729.72/x
  3. Step 3: Cross multiply
    10,769,424.48x = 16,130,402.91 × 8,901,729.72
  4. Step 4: Simplify right side
    10,769,424.48x = 143,588,486,979,521.50
  5. Step 5: Solve for x
    x = 143,588,486,979,521.50/10,769,424.48
  6. Step 6: Final answer
    x = 13,332,976.82

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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.