Home / 12,412,099.78-17,121,565.06-7,757,807.37

Finding the Fourth Proportional to 12,412,099.78, 17,121,565.06 and 7,757,807.37

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Solution

The fourth proportional to 12,412,099.78, 17,121,565.06 and 7,757,807.37 is: 10,701,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,099.78 : 17,121,565.06 = 7,757,807.37 : x
  2. Step 2: Convert to fraction form
    12,412,099.78/17,121,565.06 = 7,757,807.37/x
  3. Step 3: Cross multiply
    12,412,099.78x = 17,121,565.06 × 7,757,807.37
  4. Step 4: Simplify right side
    12,412,099.78x = 132,825,803,549,598.75
  5. Step 5: Solve for x
    x = 132,825,803,549,598.75/12,412,099.78
  6. Step 6: Final answer
    x = 10,701,316.13

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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.