Home / 6,905,165.80-10,357,748.70-2,643,140.20

Finding the Fourth Proportional to 6,905,165.80, 10,357,748.70 and 2,643,140.20

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Solution

The fourth proportional to 6,905,165.80, 10,357,748.70 and 2,643,140.20 is: 3,964,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905,165.80 : 10,357,748.70 = 2,643,140.20 : x
  2. Step 2: Convert to fraction form
    6,905,165.80/10,357,748.70 = 2,643,140.20/x
  3. Step 3: Cross multiply
    6,905,165.80x = 10,357,748.70 × 2,643,140.20
  4. Step 4: Simplify right side
    6,905,165.80x = 27,376,981,970,467.74
  5. Step 5: Solve for x
    x = 27,376,981,970,467.74/6,905,165.80
  6. Step 6: Final answer
    x = 3,964,710.30

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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.