Home / 10,909,142.24-15,051,280.08-6,324,548.72

Finding the Fourth Proportional to 10,909,142.24, 15,051,280.08 and 6,324,548.72

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Solution

The fourth proportional to 10,909,142.24, 15,051,280.08 and 6,324,548.72 is: 8,725,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,142.24 : 15,051,280.08 = 6,324,548.72 : x
  2. Step 2: Convert to fraction form
    10,909,142.24/15,051,280.08 = 6,324,548.72/x
  3. Step 3: Cross multiply
    10,909,142.24x = 15,051,280.08 × 6,324,548.72
  4. Step 4: Simplify right side
    10,909,142.24x = 95,192,554,164,325.50
  5. Step 5: Solve for x
    x = 95,192,554,164,325.50/10,909,142.24
  6. Step 6: Final answer
    x = 8,725,943.07

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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.