Home / 15,261,328.05-21,060,627.83-8,386,252.98

Finding the Fourth Proportional to 15,261,328.05, 21,060,627.83 and 8,386,252.98

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Solution

The fourth proportional to 15,261,328.05, 21,060,627.83 and 8,386,252.98 is: 11,573,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,328.05 : 21,060,627.83 = 8,386,252.98 : x
  2. Step 2: Convert to fraction form
    15,261,328.05/21,060,627.83 = 8,386,252.98/x
  3. Step 3: Cross multiply
    15,261,328.05x = 21,060,627.83 × 8,386,252.98
  4. Step 4: Simplify right side
    15,261,328.05x = 176,619,752,920,974.06
  5. Step 5: Solve for x
    x = 176,619,752,920,974.06/15,261,328.05
  6. Step 6: Final answer
    x = 11,573,026.43

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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.