Home / 21,758,964.40-32,646,481.80-8,980,577.20

Finding the Fourth Proportional to 21,758,964.40, 32,646,481.80 and 8,980,577.20

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Solution

The fourth proportional to 21,758,964.40, 32,646,481.80 and 8,980,577.20 is: 13,474,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758,964.40 : 32,646,481.80 = 8,980,577.20 : x
  2. Step 2: Convert to fraction form
    21,758,964.40/32,646,481.80 = 8,980,577.20/x
  3. Step 3: Cross multiply
    21,758,964.40x = 32,646,481.80 × 8,980,577.20
  4. Step 4: Simplify right side
    21,758,964.40x = 293,184,250,113,294.94
  5. Step 5: Solve for x
    x = 293,184,250,113,294.94/21,758,964.40
  6. Step 6: Final answer
    x = 13,474,182.17

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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.