Home / 7,340,313.60-10,988,697.60-5,455,411.20

Finding the Fourth Proportional to 7,340,313.60, 10,988,697.60 and 5,455,411.20

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Solution

The fourth proportional to 7,340,313.60, 10,988,697.60 and 5,455,411.20 is: 8,166,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,313.60 : 10,988,697.60 = 5,455,411.20 : x
  2. Step 2: Convert to fraction form
    7,340,313.60/10,988,697.60 = 5,455,411.20/x
  3. Step 3: Cross multiply
    7,340,313.60x = 10,988,697.60 × 5,455,411.20
  4. Step 4: Simplify right side
    7,340,313.60x = 59,947,863,960,453.12
  5. Step 5: Solve for x
    x = 59,947,863,960,453.12/7,340,313.60
  6. Step 6: Final answer
    x = 8,166,934.99

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1.5x scale

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.