Home / 7,061,343.32-9,744,977.43-3,921,621.35

Finding the Fourth Proportional to 7,061,343.32, 9,744,977.43 and 3,921,621.35

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Solution

The fourth proportional to 7,061,343.32, 9,744,977.43 and 3,921,621.35 is: 5,412,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061,343.32 : 9,744,977.43 = 3,921,621.35 : x
  2. Step 2: Convert to fraction form
    7,061,343.32/9,744,977.43 = 3,921,621.35/x
  3. Step 3: Cross multiply
    7,061,343.32x = 9,744,977.43 × 3,921,621.35
  4. Step 4: Simplify right side
    7,061,343.32x = 38,216,111,496,031.24
  5. Step 5: Solve for x
    x = 38,216,111,496,031.24/7,061,343.32
  6. Step 6: Final answer
    x = 5,412,017.20

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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.