Home / 8,086,121.40-11,154,823.02-4,820,636.28

Finding the Fourth Proportional to 8,086,121.40, 11,154,823.02 and 4,820,636.28

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Solution

The fourth proportional to 8,086,121.40, 11,154,823.02 and 4,820,636.28 is: 6,650,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,121.40 : 11,154,823.02 = 4,820,636.28 : x
  2. Step 2: Convert to fraction form
    8,086,121.40/11,154,823.02 = 4,820,636.28/x
  3. Step 3: Cross multiply
    8,086,121.40x = 11,154,823.02 × 4,820,636.28
  4. Step 4: Simplify right side
    8,086,121.40x = 53,773,344,547,191.16
  5. Step 5: Solve for x
    x = 53,773,344,547,191.16/8,086,121.40
  6. Step 6: Final answer
    x = 6,650,078.81

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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.