Home / 21,339,985.80-32,011,403.91-7,505,284.44

Finding the Fourth Proportional to 21,339,985.80, 32,011,403.91 and 7,505,284.44

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Solution

The fourth proportional to 21,339,985.80, 32,011,403.91 and 7,505,284.44 is: 11,258,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,985.80 : 32,011,403.91 = 7,505,284.44 : x
  2. Step 2: Convert to fraction form
    21,339,985.80/32,011,403.91 = 7,505,284.44/x
  3. Step 3: Cross multiply
    21,339,985.80x = 32,011,403.91 × 7,505,284.44
  4. Step 4: Simplify right side
    21,339,985.80x = 240,254,691,668,278.19
  5. Step 5: Solve for x
    x = 240,254,691,668,278.19/21,339,985.80
  6. Step 6: Final answer
    x = 11,258,427.91

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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.