Home / 43,055,981.87-64,626,488.15-18,811,643.45

Finding the Fourth Proportional to 43,055,981.87, 64,626,488.15 and 18,811,643.45

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Solution

The fourth proportional to 43,055,981.87, 64,626,488.15 and 18,811,643.45 is: 28,236,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,055,981.87 : 64,626,488.15 = 18,811,643.45 : x
  2. Step 2: Convert to fraction form
    43,055,981.87/64,626,488.15 = 18,811,643.45/x
  3. Step 3: Cross multiply
    43,055,981.87x = 64,626,488.15 × 18,811,643.45
  4. Step 4: Simplify right side
    43,055,981.87x = 1,215,730,452,086,259.50
  5. Step 5: Solve for x
    x = 1,215,730,452,086,259.50/43,055,981.87
  6. Step 6: Final answer
    x = 28,236,040.60

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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.