Home / 19,948,568.43-29,922,852.74-15,406,242.65

Finding the Fourth Proportional to 19,948,568.43, 29,922,852.74 and 15,406,242.65

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Solution

The fourth proportional to 19,948,568.43, 29,922,852.74 and 15,406,242.65 is: 23,109,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948,568.43 : 29,922,852.74 = 15,406,242.65 : x
  2. Step 2: Convert to fraction form
    19,948,568.43/29,922,852.74 = 15,406,242.65/x
  3. Step 3: Cross multiply
    19,948,568.43x = 29,922,852.74 × 15,406,242.65
  4. Step 4: Simplify right side
    19,948,568.43x = 460,998,729,866,011.88
  5. Step 5: Solve for x
    x = 460,998,729,866,011.88/19,948,568.43
  6. Step 6: Final answer
    x = 23,109,364.04

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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.