Home / 28,070,304.78-42,105,424.77-10,566,129.18

Finding the Fourth Proportional to 28,070,304.78, 42,105,424.77 and 10,566,129.18

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Solution

The fourth proportional to 28,070,304.78, 42,105,424.77 and 10,566,129.18 is: 15,849,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070,304.78 : 42,105,424.77 = 10,566,129.18 : x
  2. Step 2: Convert to fraction form
    28,070,304.78/42,105,424.77 = 10,566,129.18/x
  3. Step 3: Cross multiply
    28,070,304.78x = 42,105,424.77 × 10,566,129.18
  4. Step 4: Simplify right side
    28,070,304.78x = 444,891,357,298,591.81
  5. Step 5: Solve for x
    x = 444,891,357,298,591.81/28,070,304.78
  6. Step 6: Final answer
    x = 15,849,181.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.