Home / 7,941,962.40-11,911,572.47-2,106,188.61

Finding the Fourth Proportional to 7,941,962.40, 11,911,572.47 and 2,106,188.61

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Solution

The fourth proportional to 7,941,962.40, 11,911,572.47 and 2,106,188.61 is: 3,158,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941,962.40 : 11,911,572.47 = 2,106,188.61 : x
  2. Step 2: Convert to fraction form
    7,941,962.40/11,911,572.47 = 2,106,188.61/x
  3. Step 3: Cross multiply
    7,941,962.40x = 11,911,572.47 × 2,106,188.61
  4. Step 4: Simplify right side
    7,941,962.40x = 25,088,018,252,972.62
  5. Step 5: Solve for x
    x = 25,088,018,252,972.62/7,941,962.40
  6. Step 6: Final answer
    x = 3,158,919.29

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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.