Home / 13,872,449.16-20,810,666.76-4,288,575.12

Finding the Fourth Proportional to 13,872,449.16, 20,810,666.76 and 4,288,575.12

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Solution

The fourth proportional to 13,872,449.16, 20,810,666.76 and 4,288,575.12 is: 6,433,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,449.16 : 20,810,666.76 = 4,288,575.12 : x
  2. Step 2: Convert to fraction form
    13,872,449.16/20,810,666.76 = 4,288,575.12/x
  3. Step 3: Cross multiply
    13,872,449.16x = 20,810,666.76 × 4,288,575.12
  4. Step 4: Simplify right side
    13,872,449.16x = 89,248,107,697,547.02
  5. Step 5: Solve for x
    x = 89,248,107,697,547.02/13,872,449.16
  6. Step 6: Final answer
    x = 6,433,478.81

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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.