Home / 21,813,722.40-32,720,276.40-9,846,439.20

Finding the Fourth Proportional to 21,813,722.40, 32,720,276.40 and 9,846,439.20

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Solution

The fourth proportional to 21,813,722.40, 32,720,276.40 and 9,846,439.20 is: 14,769,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813,722.40 : 32,720,276.40 = 9,846,439.20 : x
  2. Step 2: Convert to fraction form
    21,813,722.40/32,720,276.40 = 9,846,439.20/x
  3. Step 3: Cross multiply
    21,813,722.40x = 32,720,276.40 × 9,846,439.20
  4. Step 4: Simplify right side
    21,813,722.40x = 322,178,212,179,794.81
  5. Step 5: Solve for x
    x = 322,178,212,179,794.81/21,813,722.40
  6. Step 6: Final answer
    x = 14,769,520.13

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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.