Home / 15,645,446.78-23,471,535.41-5,271,698.40

Finding the Fourth Proportional to 15,645,446.78, 23,471,535.41 and 5,271,698.40

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Solution

The fourth proportional to 15,645,446.78, 23,471,535.41 and 5,271,698.40 is: 7,908,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645,446.78 : 23,471,535.41 = 5,271,698.40 : x
  2. Step 2: Convert to fraction form
    15,645,446.78/23,471,535.41 = 5,271,698.40/x
  3. Step 3: Cross multiply
    15,645,446.78x = 23,471,535.41 × 5,271,698.40
  4. Step 4: Simplify right side
    15,645,446.78x = 123,734,855,640,081.86
  5. Step 5: Solve for x
    x = 123,734,855,640,081.86/15,645,446.78
  6. Step 6: Final answer
    x = 7,908,681.51

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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.