Home / 9,178,768.40-13,778,759.55-4,927,240.40

Finding the Fourth Proportional to 9,178,768.40, 13,778,759.55 and 4,927,240.40

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Solution

The fourth proportional to 9,178,768.40, 13,778,759.55 and 4,927,240.40 is: 7,396,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,768.40 : 13,778,759.55 = 4,927,240.40 : x
  2. Step 2: Convert to fraction form
    9,178,768.40/13,778,759.55 = 4,927,240.40/x
  3. Step 3: Cross multiply
    9,178,768.40x = 13,778,759.55 × 4,927,240.40
  4. Step 4: Simplify right side
    9,178,768.40x = 67,891,260,716,645.83
  5. Step 5: Solve for x
    x = 67,891,260,716,645.83/9,178,768.40
  6. Step 6: Final answer
    x = 7,396,554.50

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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.