Home / 8,018,711.66-11,055,116.79-6,370,328.18

Finding the Fourth Proportional to 8,018,711.66, 11,055,116.79 and 6,370,328.18

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Solution

The fourth proportional to 8,018,711.66, 11,055,116.79 and 6,370,328.18 is: 8,782,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,711.66 : 11,055,116.79 = 6,370,328.18 : x
  2. Step 2: Convert to fraction form
    8,018,711.66/11,055,116.79 = 6,370,328.18/x
  3. Step 3: Cross multiply
    8,018,711.66x = 11,055,116.79 × 6,370,328.18
  4. Step 4: Simplify right side
    8,018,711.66x = 70,424,721,965,252.55
  5. Step 5: Solve for x
    x = 70,424,721,965,252.55/8,018,711.66
  6. Step 6: Final answer
    x = 8,782,548.24

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Double scale
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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.