Home / 21,907,948.50-32,822,950.41-18,680,330.16

Finding the Fourth Proportional to 21,907,948.50, 32,822,950.41 and 18,680,330.16

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Solution

The fourth proportional to 21,907,948.50, 32,822,950.41 and 18,680,330.16 is: 27,987,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,948.50 : 32,822,950.41 = 18,680,330.16 : x
  2. Step 2: Convert to fraction form
    21,907,948.50/32,822,950.41 = 18,680,330.16/x
  3. Step 3: Cross multiply
    21,907,948.50x = 32,822,950.41 × 18,680,330.16
  4. Step 4: Simplify right side
    21,907,948.50x = 613,143,550,484,107.38
  5. Step 5: Solve for x
    x = 613,143,550,484,107.38/21,907,948.50
  6. Step 6: Final answer
    x = 27,987,264.55

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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.