Home / 37,012,931.85-51,079,442.43-20,493,056.78

Finding the Fourth Proportional to 37,012,931.85, 51,079,442.43 and 20,493,056.78

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Solution

The fourth proportional to 37,012,931.85, 51,079,442.43 and 20,493,056.78 is: 28,281,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,012,931.85 : 51,079,442.43 = 20,493,056.78 : x
  2. Step 2: Convert to fraction form
    37,012,931.85/51,079,442.43 = 20,493,056.78/x
  3. Step 3: Cross multiply
    37,012,931.85x = 51,079,442.43 × 20,493,056.78
  4. Step 4: Simplify right side
    37,012,931.85x = 1,046,773,914,008,731.25
  5. Step 5: Solve for x
    x = 1,046,773,914,008,731.25/37,012,931.85
  6. Step 6: Final answer
    x = 28,281,302.28

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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.