Home / 8,758,710-13,138,059.42-6,377,701.20

Finding the Fourth Proportional to 8,758,710, 13,138,059.42 and 6,377,701.20

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Solution

The fourth proportional to 8,758,710, 13,138,059.42 and 6,377,701.20 is: 9,566,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758,710 : 13,138,059.42 = 6,377,701.20 : x
  2. Step 2: Convert to fraction form
    8,758,710/13,138,059.42 = 6,377,701.20/x
  3. Step 3: Cross multiply
    8,758,710x = 13,138,059.42 × 6,377,701.20
  4. Step 4: Simplify right side
    8,758,710x = 83,790,617,328,605.31
  5. Step 5: Solve for x
    x = 83,790,617,328,605.31/8,758,710
  6. Step 6: Final answer
    x = 9,566,547.74

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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.