Home / 8,909,358.32-12,288,561.90-8,176,673.36

Finding the Fourth Proportional to 8,909,358.32, 12,288,561.90 and 8,176,673.36

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Solution

The fourth proportional to 8,909,358.32, 12,288,561.90 and 8,176,673.36 is: 11,277,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,358.32 : 12,288,561.90 = 8,176,673.36 : x
  2. Step 2: Convert to fraction form
    8,909,358.32/12,288,561.90 = 8,176,673.36/x
  3. Step 3: Cross multiply
    8,909,358.32x = 12,288,561.90 × 8,176,673.36
  4. Step 4: Simplify right side
    8,909,358.32x = 100,479,556,720,440.98
  5. Step 5: Solve for x
    x = 100,479,556,720,440.98/8,909,358.32
  6. Step 6: Final answer
    x = 11,277,979.08

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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.