Home / 10,868,139.56-16,301,209.80-3,678,851.72

Finding the Fourth Proportional to 10,868,139.56, 16,301,209.80 and 3,678,851.72

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Solution

The fourth proportional to 10,868,139.56, 16,301,209.80 and 3,678,851.72 is: 5,517,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,139.56 : 16,301,209.80 = 3,678,851.72 : x
  2. Step 2: Convert to fraction form
    10,868,139.56/16,301,209.80 = 3,678,851.72/x
  3. Step 3: Cross multiply
    10,868,139.56x = 16,301,209.80 × 3,678,851.72
  4. Step 4: Simplify right side
    10,868,139.56x = 59,969,733,710,810.86
  5. Step 5: Solve for x
    x = 59,969,733,710,810.86/10,868,139.56
  6. Step 6: Final answer
    x = 5,517,939.24

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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.