Home / 13,005,964.20-19,521,051.06-6,620,996.52

Finding the Fourth Proportional to 13,005,964.20, 19,521,051.06 and 6,620,996.52

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Solution

The fourth proportional to 13,005,964.20, 19,521,051.06 and 6,620,996.52 is: 9,937,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,964.20 : 19,521,051.06 = 6,620,996.52 : x
  2. Step 2: Convert to fraction form
    13,005,964.20/19,521,051.06 = 6,620,996.52/x
  3. Step 3: Cross multiply
    13,005,964.20x = 19,521,051.06 × 6,620,996.52
  4. Step 4: Simplify right side
    13,005,964.20x = 129,248,811,135,002.30
  5. Step 5: Solve for x
    x = 129,248,811,135,002.30/13,005,964.20
  6. Step 6: Final answer
    x = 9,937,657.00

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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.