Home / 28,545,585.78-39,392,947.35-15,492,844.92

Finding the Fourth Proportional to 28,545,585.78, 39,392,947.35 and 15,492,844.92

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Solution

The fourth proportional to 28,545,585.78, 39,392,947.35 and 15,492,844.92 is: 21,380,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,585.78 : 39,392,947.35 = 15,492,844.92 : x
  2. Step 2: Convert to fraction form
    28,545,585.78/39,392,947.35 = 15,492,844.92/x
  3. Step 3: Cross multiply
    28,545,585.78x = 39,392,947.35 × 15,492,844.92
  4. Step 4: Simplify right side
    28,545,585.78x = 610,308,824,235,275
  5. Step 5: Solve for x
    x = 610,308,824,235,275/28,545,585.78
  6. Step 6: Final answer
    x = 21,380,147.14

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1.5x scale

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.