Home / 9,641,553.10-13,305,306.77-5,290,712.21

Finding the Fourth Proportional to 9,641,553.10, 13,305,306.77 and 5,290,712.21

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Solution

The fourth proportional to 9,641,553.10, 13,305,306.77 and 5,290,712.21 is: 7,301,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641,553.10 : 13,305,306.77 = 5,290,712.21 : x
  2. Step 2: Convert to fraction form
    9,641,553.10/13,305,306.77 = 5,290,712.21/x
  3. Step 3: Cross multiply
    9,641,553.10x = 13,305,306.77 × 5,290,712.21
  4. Step 4: Simplify right side
    9,641,553.10x = 70,394,548,985,834.66
  5. Step 5: Solve for x
    x = 70,394,548,985,834.66/9,641,553.10
  6. Step 6: Final answer
    x = 7,301,162.82

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1.5x scale

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.