Home / 15,442,831.90-21,310,394.52-8,473,335.94

Finding the Fourth Proportional to 15,442,831.90, 21,310,394.52 and 8,473,335.94

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Solution

The fourth proportional to 15,442,831.90, 21,310,394.52 and 8,473,335.94 is: 11,692,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,831.90 : 21,310,394.52 = 8,473,335.94 : x
  2. Step 2: Convert to fraction form
    15,442,831.90/21,310,394.52 = 8,473,335.94/x
  3. Step 3: Cross multiply
    15,442,831.90x = 21,310,394.52 × 8,473,335.94
  4. Step 4: Simplify right side
    15,442,831.90x = 180,570,131,781,895.03
  5. Step 5: Solve for x
    x = 180,570,131,781,895.03/15,442,831.90
  6. Step 6: Final answer
    x = 11,692,812.11

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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.