Home / 15,442,830.90-21,310,393.14-8,473,334.94

Finding the Fourth Proportional to 15,442,830.90, 21,310,393.14 and 8,473,334.94

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Solution

The fourth proportional to 15,442,830.90, 21,310,393.14 and 8,473,334.94 is: 11,692,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,830.90 : 21,310,393.14 = 8,473,334.94 : x
  2. Step 2: Convert to fraction form
    15,442,830.90/21,310,393.14 = 8,473,334.94/x
  3. Step 3: Cross multiply
    15,442,830.90x = 21,310,393.14 × 8,473,334.94
  4. Step 4: Simplify right side
    15,442,830.90x = 180,570,098,778,298.31
  5. Step 5: Solve for x
    x = 180,570,098,778,298.31/15,442,830.90
  6. Step 6: Final answer
    x = 11,692,810.73

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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.