Home / 9,280,944.50-12,807,510.75-5,150,735.78

Finding the Fourth Proportional to 9,280,944.50, 12,807,510.75 and 5,150,735.78

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Solution

The fourth proportional to 9,280,944.50, 12,807,510.75 and 5,150,735.78 is: 7,107,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280,944.50 : 12,807,510.75 = 5,150,735.78 : x
  2. Step 2: Convert to fraction form
    9,280,944.50/12,807,510.75 = 5,150,735.78/x
  3. Step 3: Cross multiply
    9,280,944.50x = 12,807,510.75 × 5,150,735.78
  4. Step 4: Simplify right side
    9,280,944.50x = 65,968,103,808,722.09
  5. Step 5: Solve for x
    x = 65,968,103,808,722.09/9,280,944.50
  6. Step 6: Final answer
    x = 7,107,908.45

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1.5x scale

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.