Home / 21,664,487.61-32,305,795.38-21,470,216.40

Finding the Fourth Proportional to 21,664,487.61, 32,305,795.38 and 21,470,216.40

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Solution

The fourth proportional to 21,664,487.61, 32,305,795.38 and 21,470,216.40 is: 32,016,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664,487.61 : 32,305,795.38 = 21,470,216.40 : x
  2. Step 2: Convert to fraction form
    21,664,487.61/32,305,795.38 = 21,470,216.40/x
  3. Step 3: Cross multiply
    21,664,487.61x = 32,305,795.38 × 21,470,216.40
  4. Step 4: Simplify right side
    21,664,487.61x = 693,612,417,782,720.12
  5. Step 5: Solve for x
    x = 693,612,417,782,720.12/21,664,487.61
  6. Step 6: Final answer
    x = 32,016,100.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.