Home / 12,748,647.51-17,592,621.66-6,947,305.61

Finding the Fourth Proportional to 12,748,647.51, 17,592,621.66 and 6,947,305.61

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Solution

The fourth proportional to 12,748,647.51, 17,592,621.66 and 6,947,305.61 is: 9,587,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,647.51 : 17,592,621.66 = 6,947,305.61 : x
  2. Step 2: Convert to fraction form
    12,748,647.51/17,592,621.66 = 6,947,305.61/x
  3. Step 3: Cross multiply
    12,748,647.51x = 17,592,621.66 × 6,947,305.61
  4. Step 4: Simplify right side
    12,748,647.51x = 122,221,319,065,162.41
  5. Step 5: Solve for x
    x = 122,221,319,065,162.41/12,748,647.51
  6. Step 6: Final answer
    x = 9,587,002.78

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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.