Home / 21,384,250.60-32,039,051.10-18,398,266.60

Finding the Fourth Proportional to 21,384,250.60, 32,039,051.10 and 18,398,266.60

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Solution

The fourth proportional to 21,384,250.60, 32,039,051.10 and 18,398,266.60 is: 27,565,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,250.60 : 32,039,051.10 = 18,398,266.60 : x
  2. Step 2: Convert to fraction form
    21,384,250.60/32,039,051.10 = 18,398,266.60/x
  3. Step 3: Cross multiply
    21,384,250.60x = 32,039,051.10 × 18,398,266.60
  4. Step 4: Simplify right side
    21,384,250.60x = 589,463,003,748,823.38
  5. Step 5: Solve for x
    x = 589,463,003,748,823.38/21,384,250.60
  6. Step 6: Final answer
    x = 27,565,286.94

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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.