Home / 7,418,389.64-10,232,266.40-5,217,919.43

Finding the Fourth Proportional to 7,418,389.64, 10,232,266.40 and 5,217,919.43

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Solution

The fourth proportional to 7,418,389.64, 10,232,266.40 and 5,217,919.43 is: 7,197,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,389.64 : 10,232,266.40 = 5,217,919.43 : x
  2. Step 2: Convert to fraction form
    7,418,389.64/10,232,266.40 = 5,217,919.43/x
  3. Step 3: Cross multiply
    7,418,389.64x = 10,232,266.40 × 5,217,919.43
  4. Step 4: Simplify right side
    7,418,389.64x = 53,391,141,635,406.55
  5. Step 5: Solve for x
    x = 53,391,141,635,406.55/7,418,389.64
  6. Step 6: Final answer
    x = 7,197,133.64

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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.