Home / 6,470,013.80-9,705,020.70-3,102,487.40

Finding the Fourth Proportional to 6,470,013.80, 9,705,020.70 and 3,102,487.40

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Solution

The fourth proportional to 6,470,013.80, 9,705,020.70 and 3,102,487.40 is: 4,653,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,013.80 : 9,705,020.70 = 3,102,487.40 : x
  2. Step 2: Convert to fraction form
    6,470,013.80/9,705,020.70 = 3,102,487.40/x
  3. Step 3: Cross multiply
    6,470,013.80x = 9,705,020.70 × 3,102,487.40
  4. Step 4: Simplify right side
    6,470,013.80x = 30,109,704,438,489.18
  5. Step 5: Solve for x
    x = 30,109,704,438,489.18/6,470,013.80
  6. Step 6: Final answer
    x = 4,653,731.10

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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.