Home / 21,978,030.30-32,967,045.45-11,228,487.90

Finding the Fourth Proportional to 21,978,030.30, 32,967,045.45 and 11,228,487.90

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Solution

The fourth proportional to 21,978,030.30, 32,967,045.45 and 11,228,487.90 is: 16,842,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,030.30 : 32,967,045.45 = 11,228,487.90 : x
  2. Step 2: Convert to fraction form
    21,978,030.30/32,967,045.45 = 11,228,487.90/x
  3. Step 3: Cross multiply
    21,978,030.30x = 32,967,045.45 × 11,228,487.90
  4. Step 4: Simplify right side
    21,978,030.30x = 370,170,070,934,075.06
  5. Step 5: Solve for x
    x = 370,170,070,934,075.06/21,978,030.30
  6. Step 6: Final answer
    x = 16,842,731.85

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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.