Home / 9,002,639.71-12,422,320.50-5,028,421.33

Finding the Fourth Proportional to 9,002,639.71, 12,422,320.50 and 5,028,421.33

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Solution

The fourth proportional to 9,002,639.71, 12,422,320.50 and 5,028,421.33 is: 6,938,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002,639.71 : 12,422,320.50 = 5,028,421.33 : x
  2. Step 2: Convert to fraction form
    9,002,639.71/12,422,320.50 = 5,028,421.33/x
  3. Step 3: Cross multiply
    9,002,639.71x = 12,422,320.50 × 5,028,421.33
  4. Step 4: Simplify right side
    9,002,639.71x = 62,464,661,370,296.27
  5. Step 5: Solve for x
    x = 62,464,661,370,296.27/9,002,639.71
  6. Step 6: Final answer
    x = 6,938,482.87

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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.