Home / 35,109,989.02-48,461,521.88-20,428,490.96

Finding the Fourth Proportional to 35,109,989.02, 48,461,521.88 and 20,428,490.96

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Solution

The fourth proportional to 35,109,989.02, 48,461,521.88 and 20,428,490.96 is: 28,196,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,109,989.02 : 48,461,521.88 = 20,428,490.96 : x
  2. Step 2: Convert to fraction form
    35,109,989.02/48,461,521.88 = 20,428,490.96/x
  3. Step 3: Cross multiply
    35,109,989.02x = 48,461,521.88 × 20,428,490.96
  4. Step 4: Simplify right side
    35,109,989.02x = 989,995,761,288,972
  5. Step 5: Solve for x
    x = 989,995,761,288,972/35,109,989.02
  6. Step 6: Final answer
    x = 28,196,982.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.