Home / 18,219,829.71-25,143,361.18-9,959,926.17

Finding the Fourth Proportional to 18,219,829.71, 25,143,361.18 and 9,959,926.17

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Solution

The fourth proportional to 18,219,829.71, 25,143,361.18 and 9,959,926.17 is: 13,744,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,829.71 : 25,143,361.18 = 9,959,926.17 : x
  2. Step 2: Convert to fraction form
    18,219,829.71/25,143,361.18 = 9,959,926.17/x
  3. Step 3: Cross multiply
    18,219,829.71x = 25,143,361.18 × 9,959,926.17
  4. Step 4: Simplify right side
    18,219,829.71x = 250,426,021,018,444.06
  5. Step 5: Solve for x
    x = 250,426,021,018,444.06/18,219,829.71
  6. Step 6: Final answer
    x = 13,744,696.03

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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.