Home / 10,420,337.40-15,633,270.90-3,688,049.40

Finding the Fourth Proportional to 10,420,337.40, 15,633,270.90 and 3,688,049.40

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Solution

The fourth proportional to 10,420,337.40, 15,633,270.90 and 3,688,049.40 is: 5,533,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,337.40 : 15,633,270.90 = 3,688,049.40 : x
  2. Step 2: Convert to fraction form
    10,420,337.40/15,633,270.90 = 3,688,049.40/x
  3. Step 3: Cross multiply
    10,420,337.40x = 15,633,270.90 × 3,688,049.40
  4. Step 4: Simplify right side
    10,420,337.40x = 57,656,275,362,782.46
  5. Step 5: Solve for x
    x = 57,656,275,362,782.46/10,420,337.40
  6. Step 6: Final answer
    x = 5,533,052.64

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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.