Home / 30,443,605.18-45,660,979.08-8,872,415

Finding the Fourth Proportional to 30,443,605.18, 45,660,979.08 and 8,872,415

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Solution

The fourth proportional to 30,443,605.18, 45,660,979.08 and 8,872,415 is: 13,307,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,605.18 : 45,660,979.08 = 8,872,415 : x
  2. Step 2: Convert to fraction form
    30,443,605.18/45,660,979.08 = 8,872,415/x
  3. Step 3: Cross multiply
    30,443,605.18x = 45,660,979.08 × 8,872,415
  4. Step 4: Simplify right side
    30,443,605.18x = 405,123,155,704,078.19
  5. Step 5: Solve for x
    x = 405,123,155,704,078.19/30,443,605.18
  6. Step 6: Final answer
    x = 13,307,331.81

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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.