Home / 21,870,044.60-32,805,066.90-13,366,988.60

Finding the Fourth Proportional to 21,870,044.60, 32,805,066.90 and 13,366,988.60

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Solution

The fourth proportional to 21,870,044.60, 32,805,066.90 and 13,366,988.60 is: 20,050,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,044.60 : 32,805,066.90 = 13,366,988.60 : x
  2. Step 2: Convert to fraction form
    21,870,044.60/32,805,066.90 = 13,366,988.60/x
  3. Step 3: Cross multiply
    21,870,044.60x = 32,805,066.90 × 13,366,988.60
  4. Step 4: Simplify right side
    21,870,044.60x = 438,504,955,274,537.31
  5. Step 5: Solve for x
    x = 438,504,955,274,537.31/21,870,044.60
  6. Step 6: Final answer
    x = 20,050,482.90

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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.