Home / 15,374,472.84-21,215,761.38-8,847,048.96

Finding the Fourth Proportional to 15,374,472.84, 21,215,761.38 and 8,847,048.96

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Solution

The fourth proportional to 15,374,472.84, 21,215,761.38 and 8,847,048.96 is: 12,208,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,472.84 : 21,215,761.38 = 8,847,048.96 : x
  2. Step 2: Convert to fraction form
    15,374,472.84/21,215,761.38 = 8,847,048.96/x
  3. Step 3: Cross multiply
    15,374,472.84x = 21,215,761.38 × 8,847,048.96
  4. Step 4: Simplify right side
    15,374,472.84x = 187,696,879,652,537.19
  5. Step 5: Solve for x
    x = 187,696,879,652,537.19/15,374,472.84
  6. Step 6: Final answer
    x = 12,208,345.72

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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.