Home / 27,143,985.32-40,744,985.80-10,980,502.55

Finding the Fourth Proportional to 27,143,985.32, 40,744,985.80 and 10,980,502.55

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Solution

The fourth proportional to 27,143,985.32, 40,744,985.80 and 10,980,502.55 is: 16,482,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143,985.32 : 40,744,985.80 = 10,980,502.55 : x
  2. Step 2: Convert to fraction form
    27,143,985.32/40,744,985.80 = 10,980,502.55/x
  3. Step 3: Cross multiply
    27,143,985.32x = 40,744,985.80 × 10,980,502.55
  4. Step 4: Simplify right side
    27,143,985.32x = 447,400,420,476,613.81
  5. Step 5: Solve for x
    x = 447,400,420,476,613.81/27,143,985.32
  6. Step 6: Final answer
    x = 16,482,488.30

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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.