Home / 13,081,915.17-19,621,375.29-3,498,041.07

Finding the Fourth Proportional to 13,081,915.17, 19,621,375.29 and 3,498,041.07

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Solution

The fourth proportional to 13,081,915.17, 19,621,375.29 and 3,498,041.07 is: 5,246,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,915.17 : 19,621,375.29 = 3,498,041.07 : x
  2. Step 2: Convert to fraction form
    13,081,915.17/19,621,375.29 = 3,498,041.07/x
  3. Step 3: Cross multiply
    13,081,915.17x = 19,621,375.29 × 3,498,041.07
  4. Step 4: Simplify right side
    13,081,915.17x = 68,636,376,614,303.16
  5. Step 5: Solve for x
    x = 68,636,376,614,303.16/13,081,915.17
  6. Step 6: Final answer
    x = 5,246,661.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.