Home / 14,431,640.40-19,908,113.10-8,923,254.48

Finding the Fourth Proportional to 14,431,640.40, 19,908,113.10 and 8,923,254.48

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Solution

The fourth proportional to 14,431,640.40, 19,908,113.10 and 8,923,254.48 is: 12,309,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431,640.40 : 19,908,113.10 = 8,923,254.48 : x
  2. Step 2: Convert to fraction form
    14,431,640.40/19,908,113.10 = 8,923,254.48/x
  3. Step 3: Cross multiply
    14,431,640.40x = 19,908,113.10 × 8,923,254.48
  4. Step 4: Simplify right side
    14,431,640.40x = 177,645,159,407,921.72
  5. Step 5: Solve for x
    x = 177,645,159,407,921.72/14,431,640.40
  6. Step 6: Final answer
    x = 12,309,422.52

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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.