Home / 20,414,801.89-28,172,411.13-11,247,444.64

Finding the Fourth Proportional to 20,414,801.89, 28,172,411.13 and 11,247,444.64

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Solution

The fourth proportional to 20,414,801.89, 28,172,411.13 and 11,247,444.64 is: 15,521,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,801.89 : 28,172,411.13 = 11,247,444.64 : x
  2. Step 2: Convert to fraction form
    20,414,801.89/28,172,411.13 = 11,247,444.64/x
  3. Step 3: Cross multiply
    20,414,801.89x = 28,172,411.13 × 11,247,444.64
  4. Step 4: Simplify right side
    20,414,801.89x = 316,867,634,559,994.88
  5. Step 5: Solve for x
    x = 316,867,634,559,994.88/20,414,801.89
  6. Step 6: Final answer
    x = 15,521,465.08

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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.