Home / 30,213,697.80-45,288,275.50-17,231,899.08

Finding the Fourth Proportional to 30,213,697.80, 45,288,275.50 and 17,231,899.08

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Solution

The fourth proportional to 30,213,697.80, 45,288,275.50 and 17,231,899.08 is: 25,829,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,697.80 : 45,288,275.50 = 17,231,899.08 : x
  2. Step 2: Convert to fraction form
    30,213,697.80/45,288,275.50 = 17,231,899.08/x
  3. Step 3: Cross multiply
    30,213,697.80x = 45,288,275.50 × 17,231,899.08
  4. Step 4: Simplify right side
    30,213,697.80x = 780,402,993,017,695.25
  5. Step 5: Solve for x
    x = 780,402,993,017,695.25/30,213,697.80
  6. Step 6: Final answer
    x = 25,829,443.26

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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.