Home / 21,441,454.80-32,168,495.04-7,794,386.18

Finding the Fourth Proportional to 21,441,454.80, 32,168,495.04 and 7,794,386.18

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Solution

The fourth proportional to 21,441,454.80, 32,168,495.04 and 7,794,386.18 is: 11,693,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441,454.80 : 32,168,495.04 = 7,794,386.18 : x
  2. Step 2: Convert to fraction form
    21,441,454.80/32,168,495.04 = 7,794,386.18/x
  3. Step 3: Cross multiply
    21,441,454.80x = 32,168,495.04 × 7,794,386.18
  4. Step 4: Simplify right side
    21,441,454.80x = 250,733,673,010,332.06
  5. Step 5: Solve for x
    x = 250,733,673,010,332.06/21,441,454.80
  6. Step 6: Final answer
    x = 11,693,874.10

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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.