Home / 21,798,244-32,697,411.90-20,466,486.10

Finding the Fourth Proportional to 21,798,244, 32,697,411.90 and 20,466,486.10

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Solution

The fourth proportional to 21,798,244, 32,697,411.90 and 20,466,486.10 is: 30,699,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798,244 : 32,697,411.90 = 20,466,486.10 : x
  2. Step 2: Convert to fraction form
    21,798,244/32,697,411.90 = 20,466,486.10/x
  3. Step 3: Cross multiply
    21,798,244x = 32,697,411.90 × 20,466,486.10
  4. Step 4: Simplify right side
    21,798,244x = 669,201,126,157,324.62
  5. Step 5: Solve for x
    x = 669,201,126,157,324.62/21,798,244
  6. Step 6: Final answer
    x = 30,699,772.25

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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.