Home / 40,780,031.12-56,276,439.80-22,195,304.52

Finding the Fourth Proportional to 40,780,031.12, 56,276,439.80 and 22,195,304.52

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Solution

The fourth proportional to 40,780,031.12, 56,276,439.80 and 22,195,304.52 is: 30,629,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780,031.12 : 56,276,439.80 = 22,195,304.52 : x
  2. Step 2: Convert to fraction form
    40,780,031.12/56,276,439.80 = 22,195,304.52/x
  3. Step 3: Cross multiply
    40,780,031.12x = 56,276,439.80 × 22,195,304.52
  4. Step 4: Simplify right side
    40,780,031.12x = 1,249,072,718,662,447.75
  5. Step 5: Solve for x
    x = 1,249,072,718,662,447.75/40,780,031.12
  6. Step 6: Final answer
    x = 30,629,518.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.