Home / 14,015,718.40-21,023,577.60-13,826,761.60

Finding the Fourth Proportional to 14,015,718.40, 21,023,577.60 and 13,826,761.60

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Solution

The fourth proportional to 14,015,718.40, 21,023,577.60 and 13,826,761.60 is: 20,740,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,718.40 : 21,023,577.60 = 13,826,761.60 : x
  2. Step 2: Convert to fraction form
    14,015,718.40/21,023,577.60 = 13,826,761.60/x
  3. Step 3: Cross multiply
    14,015,718.40x = 21,023,577.60 × 13,826,761.60
  4. Step 4: Simplify right side
    14,015,718.40x = 290,687,995,454,300.19
  5. Step 5: Solve for x
    x = 290,687,995,454,300.19/14,015,718.40
  6. Step 6: Final answer
    x = 20,740,142.40

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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.