Home / 6,872,665.50-9,484,278.48-3,817,164.06

Finding the Fourth Proportional to 6,872,665.50, 9,484,278.48 and 3,817,164.06

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Solution

The fourth proportional to 6,872,665.50, 9,484,278.48 and 3,817,164.06 is: 5,267,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,665.50 : 9,484,278.48 = 3,817,164.06 : x
  2. Step 2: Convert to fraction form
    6,872,665.50/9,484,278.48 = 3,817,164.06/x
  3. Step 3: Cross multiply
    6,872,665.50x = 9,484,278.48 × 3,817,164.06
  4. Step 4: Simplify right side
    6,872,665.50x = 36,203,046,948,887.43
  5. Step 5: Solve for x
    x = 36,203,046,948,887.43/6,872,665.50
  6. Step 6: Final answer
    x = 5,267,686.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.