Home / 19,251,014.10-28,876,521.15-15,471,878.10

Finding the Fourth Proportional to 19,251,014.10, 28,876,521.15 and 15,471,878.10

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Solution

The fourth proportional to 19,251,014.10, 28,876,521.15 and 15,471,878.10 is: 23,207,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,014.10 : 28,876,521.15 = 15,471,878.10 : x
  2. Step 2: Convert to fraction form
    19,251,014.10/28,876,521.15 = 15,471,878.10/x
  3. Step 3: Cross multiply
    19,251,014.10x = 28,876,521.15 × 15,471,878.10
  4. Step 4: Simplify right side
    19,251,014.10x = 446,774,015,184,871.75
  5. Step 5: Solve for x
    x = 446,774,015,184,871.75/19,251,014.10
  6. Step 6: Final answer
    x = 23,207,817.15

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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.