Home / 10,368,030.80-15,552,046.20-7,813,355.60

Finding the Fourth Proportional to 10,368,030.80, 15,552,046.20 and 7,813,355.60

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Solution

The fourth proportional to 10,368,030.80, 15,552,046.20 and 7,813,355.60 is: 11,720,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,030.80 : 15,552,046.20 = 7,813,355.60 : x
  2. Step 2: Convert to fraction form
    10,368,030.80/15,552,046.20 = 7,813,355.60/x
  3. Step 3: Cross multiply
    10,368,030.80x = 15,552,046.20 × 7,813,355.60
  4. Step 4: Simplify right side
    10,368,030.80x = 121,513,667,268,228.70
  5. Step 5: Solve for x
    x = 121,513,667,268,228.70/10,368,030.80
  6. Step 6: Final answer
    x = 11,720,033.40

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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.