Home / 25,242,386.31-34,834,491.63-13,639,949.46

Finding the Fourth Proportional to 25,242,386.31, 34,834,491.63 and 13,639,949.46

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Solution

The fourth proportional to 25,242,386.31, 34,834,491.63 and 13,639,949.46 is: 18,823,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242,386.31 : 34,834,491.63 = 13,639,949.46 : x
  2. Step 2: Convert to fraction form
    25,242,386.31/34,834,491.63 = 13,639,949.46/x
  3. Step 3: Cross multiply
    25,242,386.31x = 34,834,491.63 × 13,639,949.46
  4. Step 4: Simplify right side
    25,242,386.31x = 475,140,705,297,993.06
  5. Step 5: Solve for x
    x = 475,140,705,297,993.06/25,242,386.31
  6. Step 6: Final answer
    x = 18,823,129.46

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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.