Home / 28,547,569.06-39,394,589.82-15,494,549.74

Finding the Fourth Proportional to 28,547,569.06, 39,394,589.82 and 15,494,549.74

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Solution

The fourth proportional to 28,547,569.06, 39,394,589.82 and 15,494,549.74 is: 21,381,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,569.06 : 39,394,589.82 = 15,494,549.74 : x
  2. Step 2: Convert to fraction form
    28,547,569.06/39,394,589.82 = 15,494,549.74/x
  3. Step 3: Cross multiply
    28,547,569.06x = 39,394,589.82 × 15,494,549.74
  4. Step 4: Simplify right side
    28,547,569.06x = 610,401,431,452,887.62
  5. Step 5: Solve for x
    x = 610,401,431,452,887.62/28,547,569.06
  6. Step 6: Final answer
    x = 21,381,905.76

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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.