Home / 21,695,912.56-32,594,685-20,470,298.32

Finding the Fourth Proportional to 21,695,912.56, 32,594,685 and 20,470,298.32

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Solution

The fourth proportional to 21,695,912.56, 32,594,685 and 20,470,298.32 is: 30,753,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,912.56 : 32,594,685 = 20,470,298.32 : x
  2. Step 2: Convert to fraction form
    21,695,912.56/32,594,685 = 20,470,298.32/x
  3. Step 3: Cross multiply
    21,695,912.56x = 32,594,685 × 20,470,298.32
  4. Step 4: Simplify right side
    21,695,912.56x = 667,222,925,596,429.25
  5. Step 5: Solve for x
    x = 667,222,925,596,429.25/21,695,912.56
  6. Step 6: Final answer
    x = 30,753,393.01

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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.