Home / 9,928,245.71-13,697,039.17-5,741,156.91

Finding the Fourth Proportional to 9,928,245.71, 13,697,039.17 and 5,741,156.91

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Solution

The fourth proportional to 9,928,245.71, 13,697,039.17 and 5,741,156.91 is: 7,920,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928,245.71 : 13,697,039.17 = 5,741,156.91 : x
  2. Step 2: Convert to fraction form
    9,928,245.71/13,697,039.17 = 5,741,156.91/x
  3. Step 3: Cross multiply
    9,928,245.71x = 13,697,039.17 × 5,741,156.91
  4. Step 4: Simplify right side
    9,928,245.71x = 78,636,851,077,386.17
  5. Step 5: Solve for x
    x = 78,636,851,077,386.17/9,928,245.71
  6. Step 6: Final answer
    x = 7,920,518.22

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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.