Home / 10,315,670.40-15,473,635.20-3,127,276.80

Finding the Fourth Proportional to 10,315,670.40, 15,473,635.20 and 3,127,276.80

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Solution

The fourth proportional to 10,315,670.40, 15,473,635.20 and 3,127,276.80 is: 4,690,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,670.40 : 15,473,635.20 = 3,127,276.80 : x
  2. Step 2: Convert to fraction form
    10,315,670.40/15,473,635.20 = 3,127,276.80/x
  3. Step 3: Cross multiply
    10,315,670.40x = 15,473,635.20 × 3,127,276.80
  4. Step 4: Simplify right side
    10,315,670.40x = 48,390,340,372,623.35
  5. Step 5: Solve for x
    x = 48,390,340,372,623.35/10,315,670.40
  6. Step 6: Final answer
    x = 4,690,954.49

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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.