Home / 8,319,023.80-12,478,535.70-5,579,150.20

Finding the Fourth Proportional to 8,319,023.80, 12,478,535.70 and 5,579,150.20

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Solution

The fourth proportional to 8,319,023.80, 12,478,535.70 and 5,579,150.20 is: 8,368,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,023.80 : 12,478,535.70 = 5,579,150.20 : x
  2. Step 2: Convert to fraction form
    8,319,023.80/12,478,535.70 = 5,579,150.20/x
  3. Step 3: Cross multiply
    8,319,023.80x = 12,478,535.70 × 5,579,150.20
  4. Step 4: Simplify right side
    8,319,023.80x = 69,619,624,946,362.14
  5. Step 5: Solve for x
    x = 69,619,624,946,362.14/8,319,023.80
  6. Step 6: Final answer
    x = 8,368,725.30

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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.