Home / 15,438,226.24-21,307,302.48-8,564,922.64

Finding the Fourth Proportional to 15,438,226.24, 21,307,302.48 and 8,564,922.64

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Solution

The fourth proportional to 15,438,226.24, 21,307,302.48 and 8,564,922.64 is: 11,821,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,226.24 : 21,307,302.48 = 8,564,922.64 : x
  2. Step 2: Convert to fraction form
    15,438,226.24/21,307,302.48 = 8,564,922.64/x
  3. Step 3: Cross multiply
    15,438,226.24x = 21,307,302.48 × 8,564,922.64
  4. Step 4: Simplify right side
    15,438,226.24x = 182,495,397,408,280.16
  5. Step 5: Solve for x
    x = 182,495,397,408,280.16/15,438,226.24
  6. Step 6: Final answer
    x = 11,821,008.10

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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.