Home / 28,794,658.72-43,103,030.64-15,808,324

Finding the Fourth Proportional to 28,794,658.72, 43,103,030.64 and 15,808,324

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Solution

The fourth proportional to 28,794,658.72, 43,103,030.64 and 15,808,324 is: 23,663,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794,658.72 : 43,103,030.64 = 15,808,324 : x
  2. Step 2: Convert to fraction form
    28,794,658.72/43,103,030.64 = 15,808,324/x
  3. Step 3: Cross multiply
    28,794,658.72x = 43,103,030.64 × 15,808,324
  4. Step 4: Simplify right side
    28,794,658.72x = 681,386,673,739,047.38
  5. Step 5: Solve for x
    x = 681,386,673,739,047.38/28,794,658.72
  6. Step 6: Final answer
    x = 23,663,648.19

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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.