Home / 28,547,568.46-39,394,589.02-15,494,549.18

Finding the Fourth Proportional to 28,547,568.46, 39,394,589.02 and 15,494,549.18

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Solution

The fourth proportional to 28,547,568.46, 39,394,589.02 and 15,494,549.18 is: 21,381,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,568.46 : 39,394,589.02 = 15,494,549.18 : x
  2. Step 2: Convert to fraction form
    28,547,568.46/39,394,589.02 = 15,494,549.18/x
  3. Step 3: Cross multiply
    28,547,568.46x = 39,394,589.02 × 15,494,549.18
  4. Step 4: Simplify right side
    28,547,568.46x = 610,401,396,996,278
  5. Step 5: Solve for x
    x = 610,401,396,996,278/28,547,568.46
  6. Step 6: Final answer
    x = 21,381,905.01

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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.