Home / 12,453,877.42-17,186,655.28-6,947,213.12

Finding the Fourth Proportional to 12,453,877.42, 17,186,655.28 and 6,947,213.12

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Solution

The fourth proportional to 12,453,877.42, 17,186,655.28 and 6,947,213.12 is: 9,587,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,877.42 : 17,186,655.28 = 6,947,213.12 : x
  2. Step 2: Convert to fraction form
    12,453,877.42/17,186,655.28 = 6,947,213.12/x
  3. Step 3: Cross multiply
    12,453,877.42x = 17,186,655.28 × 6,947,213.12
  4. Step 4: Simplify right side
    12,453,877.42x = 119,399,357,050,133.28
  5. Step 5: Solve for x
    x = 119,399,357,050,133.28/12,453,877.42
  6. Step 6: Final answer
    x = 9,587,323.93

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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.