Home / 13,807,993.16-20,712,820.10-4,223,454.72

Finding the Fourth Proportional to 13,807,993.16, 20,712,820.10 and 4,223,454.72

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Solution

The fourth proportional to 13,807,993.16, 20,712,820.10 and 4,223,454.72 is: 6,335,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,993.16 : 20,712,820.10 = 4,223,454.72 : x
  2. Step 2: Convert to fraction form
    13,807,993.16/20,712,820.10 = 4,223,454.72/x
  3. Step 3: Cross multiply
    13,807,993.16x = 20,712,820.10 × 4,223,454.72
  4. Step 4: Simplify right side
    13,807,993.16x = 87,479,657,815,855.88
  5. Step 5: Solve for x
    x = 87,479,657,815,855.88/13,807,993.16
  6. Step 6: Final answer
    x = 6,335,436.06

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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.