Home / 12,335,875.68-17,025,289.92-7,107,882.96

Finding the Fourth Proportional to 12,335,875.68, 17,025,289.92 and 7,107,882.96

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Solution

The fourth proportional to 12,335,875.68, 17,025,289.92 and 7,107,882.96 is: 9,809,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,875.68 : 17,025,289.92 = 7,107,882.96 : x
  2. Step 2: Convert to fraction form
    12,335,875.68/17,025,289.92 = 7,107,882.96/x
  3. Step 3: Cross multiply
    12,335,875.68x = 17,025,289.92 × 7,107,882.96
  4. Step 4: Simplify right side
    12,335,875.68x = 121,013,768,111,427.78
  5. Step 5: Solve for x
    x = 121,013,768,111,427.78/12,335,875.68
  6. Step 6: Final answer
    x = 9,809,904.97

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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.