Home / 21,396,011.17-29,517,084.84-14,424,141.87

Finding the Fourth Proportional to 21,396,011.17, 29,517,084.84 and 14,424,141.87

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Solution

The fourth proportional to 21,396,011.17, 29,517,084.84 and 14,424,141.87 is: 19,898,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396,011.17 : 29,517,084.84 = 14,424,141.87 : x
  2. Step 2: Convert to fraction form
    21,396,011.17/29,517,084.84 = 14,424,141.87/x
  3. Step 3: Cross multiply
    21,396,011.17x = 29,517,084.84 × 14,424,141.87
  4. Step 4: Simplify right side
    21,396,011.17x = 425,758,619,242,741.06
  5. Step 5: Solve for x
    x = 425,758,619,242,741.06/21,396,011.17
  6. Step 6: Final answer
    x = 19,898,971.63

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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.