Home / 26,870,111-37,078,899.66-15,111,136.76

Finding the Fourth Proportional to 26,870,111, 37,078,899.66 and 15,111,136.76

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Solution

The fourth proportional to 26,870,111, 37,078,899.66 and 15,111,136.76 is: 20,852,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870,111 : 37,078,899.66 = 15,111,136.76 : x
  2. Step 2: Convert to fraction form
    26,870,111/37,078,899.66 = 15,111,136.76/x
  3. Step 3: Cross multiply
    26,870,111x = 37,078,899.66 × 15,111,136.76
  4. Step 4: Simplify right side
    26,870,111x = 560,304,323,672,577.44
  5. Step 5: Solve for x
    x = 560,304,323,672,577.44/26,870,111
  6. Step 6: Final answer
    x = 20,852,326.35

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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.