Home / 18,963,988-26,170,372.33-10,262,159.66

Finding the Fourth Proportional to 18,963,988, 26,170,372.33 and 10,262,159.66

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Solution

The fourth proportional to 18,963,988, 26,170,372.33 and 10,262,159.66 is: 14,161,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,988 : 26,170,372.33 = 10,262,159.66 : x
  2. Step 2: Convert to fraction form
    18,963,988/26,170,372.33 = 10,262,159.66/x
  3. Step 3: Cross multiply
    18,963,988x = 26,170,372.33 × 10,262,159.66
  4. Step 4: Simplify right side
    18,963,988x = 268,564,539,212,106.19
  5. Step 5: Solve for x
    x = 268,564,539,212,106.19/18,963,988
  6. Step 6: Final answer
    x = 14,161,817.61

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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.