Home / 40,278,772.80-60,418,159.20-11,525,846.40

Finding the Fourth Proportional to 40,278,772.80, 60,418,159.20 and 11,525,846.40

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Solution

The fourth proportional to 40,278,772.80, 60,418,159.20 and 11,525,846.40 is: 17,288,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,772.80 : 60,418,159.20 = 11,525,846.40 : x
  2. Step 2: Convert to fraction form
    40,278,772.80/60,418,159.20 = 11,525,846.40/x
  3. Step 3: Cross multiply
    40,278,772.80x = 60,418,159.20 × 11,525,846.40
  4. Step 4: Simplify right side
    40,278,772.80x = 696,370,422,709,946.88
  5. Step 5: Solve for x
    x = 696,370,422,709,946.88/40,278,772.80
  6. Step 6: Final answer
    x = 17,288,769.60

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1.5x scale

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.