Home / 28,864,568.09-39,833,111.46-15,812,291.02

Finding the Fourth Proportional to 28,864,568.09, 39,833,111.46 and 15,812,291.02

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Solution

The fourth proportional to 28,864,568.09, 39,833,111.46 and 15,812,291.02 is: 21,820,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864,568.09 : 39,833,111.46 = 15,812,291.02 : x
  2. Step 2: Convert to fraction form
    28,864,568.09/39,833,111.46 = 15,812,291.02/x
  3. Step 3: Cross multiply
    28,864,568.09x = 39,833,111.46 × 15,812,291.02
  4. Step 4: Simplify right side
    28,864,568.09x = 629,852,750,583,073.38
  5. Step 5: Solve for x
    x = 629,852,750,583,073.38/28,864,568.09
  6. Step 6: Final answer
    x = 21,820,965.71

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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.