Home / 26,870,108-37,078,895.52-15,111,133.76

Finding the Fourth Proportional to 26,870,108, 37,078,895.52 and 15,111,133.76

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Solution

The fourth proportional to 26,870,108, 37,078,895.52 and 15,111,133.76 is: 20,852,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870,108 : 37,078,895.52 = 15,111,133.76 : x
  2. Step 2: Convert to fraction form
    26,870,108/37,078,895.52 = 15,111,133.76/x
  3. Step 3: Cross multiply
    26,870,108x = 37,078,895.52 × 15,111,133.76
  4. Step 4: Simplify right side
    26,870,108x = 560,304,149,875,784.81
  5. Step 5: Solve for x
    x = 560,304,149,875,784.81/26,870,108
  6. Step 6: Final answer
    x = 20,852,322.21

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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.