Home / 18,689,131.43-25,791,006.51-10,316,506.28

Finding the Fourth Proportional to 18,689,131.43, 25,791,006.51 and 10,316,506.28

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Solution

The fourth proportional to 18,689,131.43, 25,791,006.51 and 10,316,506.28 is: 14,236,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,131.43 : 25,791,006.51 = 10,316,506.28 : x
  2. Step 2: Convert to fraction form
    18,689,131.43/25,791,006.51 = 10,316,506.28/x
  3. Step 3: Cross multiply
    18,689,131.43x = 25,791,006.51 × 10,316,506.28
  4. Step 4: Simplify right side
    18,689,131.43x = 266,073,080,627,935.88
  5. Step 5: Solve for x
    x = 266,073,080,627,935.88/18,689,131.43
  6. Step 6: Final answer
    x = 14,236,781.50

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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.