Home / 21,870,039.10-32,805,058.65-13,366,983.10

Finding the Fourth Proportional to 21,870,039.10, 32,805,058.65 and 13,366,983.10

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Solution

The fourth proportional to 21,870,039.10, 32,805,058.65 and 13,366,983.10 is: 20,050,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,039.10 : 32,805,058.65 = 13,366,983.10 : x
  2. Step 2: Convert to fraction form
    21,870,039.10/32,805,058.65 = 13,366,983.10/x
  3. Step 3: Cross multiply
    21,870,039.10x = 32,805,058.65 × 13,366,983.10
  4. Step 4: Simplify right side
    21,870,039.10x = 438,504,664,569,058.81
  5. Step 5: Solve for x
    x = 438,504,664,569,058.81/21,870,039.10
  6. Step 6: Final answer
    x = 20,050,474.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.