Home / 10,117,807.26-15,169,231.34-5,253,129.21

Finding the Fourth Proportional to 10,117,807.26, 15,169,231.34 and 5,253,129.21

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Solution

The fourth proportional to 10,117,807.26, 15,169,231.34 and 5,253,129.21 is: 7,875,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117,807.26 : 15,169,231.34 = 5,253,129.21 : x
  2. Step 2: Convert to fraction form
    10,117,807.26/15,169,231.34 = 5,253,129.21/x
  3. Step 3: Cross multiply
    10,117,807.26x = 15,169,231.34 × 5,253,129.21
  4. Step 4: Simplify right side
    10,117,807.26x = 79,685,932,258,534.27
  5. Step 5: Solve for x
    x = 79,685,932,258,534.27/10,117,807.26
  6. Step 6: Final answer
    x = 7,875,810.46

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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.