Home / 9,103,721.68-13,657,616.40-3,423,995.20

Finding the Fourth Proportional to 9,103,721.68, 13,657,616.40 and 3,423,995.20

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Solution

The fourth proportional to 9,103,721.68, 13,657,616.40 and 3,423,995.20 is: 5,136,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103,721.68 : 13,657,616.40 = 3,423,995.20 : x
  2. Step 2: Convert to fraction form
    9,103,721.68/13,657,616.40 = 3,423,995.20/x
  3. Step 3: Cross multiply
    9,103,721.68x = 13,657,616.40 × 3,423,995.20
  4. Step 4: Simplify right side
    9,103,721.68x = 46,763,612,997,041.28
  5. Step 5: Solve for x
    x = 46,763,612,997,041.28/9,103,721.68
  6. Step 6: Final answer
    x = 5,136,757.76

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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.