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Finding the Fourth Proportional to 9,794,509.80, 14,691,764.70 and 7,107,124.20

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Solution

The fourth proportional to 9,794,509.80, 14,691,764.70 and 7,107,124.20 is: 10,660,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794,509.80 : 14,691,764.70 = 7,107,124.20 : x
  2. Step 2: Convert to fraction form
    9,794,509.80/14,691,764.70 = 7,107,124.20/x
  3. Step 3: Cross multiply
    9,794,509.80x = 14,691,764.70 × 7,107,124.20
  4. Step 4: Simplify right side
    9,794,509.80x = 104,416,196,440,075.73
  5. Step 5: Solve for x
    x = 104,416,196,440,075.73/9,794,509.80
  6. Step 6: Final answer
    x = 10,660,686.30

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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.