Home / 21,395,643.32-32,108,788.16-9,108,221.40

Finding the Fourth Proportional to 21,395,643.32, 32,108,788.16 and 9,108,221.40

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Solution

The fourth proportional to 21,395,643.32, 32,108,788.16 and 9,108,221.40 is: 13,668,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395,643.32 : 32,108,788.16 = 9,108,221.40 : x
  2. Step 2: Convert to fraction form
    21,395,643.32/32,108,788.16 = 9,108,221.40/x
  3. Step 3: Cross multiply
    21,395,643.32x = 32,108,788.16 × 9,108,221.40
  4. Step 4: Simplify right side
    21,395,643.32x = 292,453,951,446,978.62
  5. Step 5: Solve for x
    x = 292,453,951,446,978.62/21,395,643.32
  6. Step 6: Final answer
    x = 13,668,855.25

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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.