Home / 42,303,613.80-63,455,420.70-13,550,687.40

Finding the Fourth Proportional to 42,303,613.80, 63,455,420.70 and 13,550,687.40

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Solution

The fourth proportional to 42,303,613.80, 63,455,420.70 and 13,550,687.40 is: 20,326,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,613.80 : 63,455,420.70 = 13,550,687.40 : x
  2. Step 2: Convert to fraction form
    42,303,613.80/63,455,420.70 = 13,550,687.40/x
  3. Step 3: Cross multiply
    42,303,613.80x = 63,455,420.70 × 13,550,687.40
  4. Step 4: Simplify right side
    42,303,613.80x = 859,864,569,741,189.25
  5. Step 5: Solve for x
    x = 859,864,569,741,189.25/42,303,613.80
  6. Step 6: Final answer
    x = 20,326,031.10

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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.