Home / 21,870,036.10-32,805,054.15-13,366,980.10

Finding the Fourth Proportional to 21,870,036.10, 32,805,054.15 and 13,366,980.10

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Solution

The fourth proportional to 21,870,036.10, 32,805,054.15 and 13,366,980.10 is: 20,050,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,036.10 : 32,805,054.15 = 13,366,980.10 : x
  2. Step 2: Convert to fraction form
    21,870,036.10/32,805,054.15 = 13,366,980.10/x
  3. Step 3: Cross multiply
    21,870,036.10x = 32,805,054.15 × 13,366,980.10
  4. Step 4: Simplify right side
    21,870,036.10x = 438,504,506,002,472.38
  5. Step 5: Solve for x
    x = 438,504,506,002,472.38/21,870,036.10
  6. Step 6: Final answer
    x = 20,050,470.15

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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.