Home / 8,645,455.29-11,931,868.80-8,361,549.87

Finding the Fourth Proportional to 8,645,455.29, 11,931,868.80 and 8,361,549.87

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Solution

The fourth proportional to 8,645,455.29, 11,931,868.80 and 8,361,549.87 is: 11,540,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645,455.29 : 11,931,868.80 = 8,361,549.87 : x
  2. Step 2: Convert to fraction form
    8,645,455.29/11,931,868.80 = 8,361,549.87/x
  3. Step 3: Cross multiply
    8,645,455.29x = 11,931,868.80 × 8,361,549.87
  4. Step 4: Simplify right side
    8,645,455.29x = 99,768,916,013,497.06
  5. Step 5: Solve for x
    x = 99,768,916,013,497.06/8,645,455.29
  6. Step 6: Final answer
    x = 11,540,041.87

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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.