Home / 5,472,807.20-8,209,210.80-4,477,479.20

Finding the Fourth Proportional to 5,472,807.20, 8,209,210.80 and 4,477,479.20

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Solution

The fourth proportional to 5,472,807.20, 8,209,210.80 and 4,477,479.20 is: 6,716,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,807.20 : 8,209,210.80 = 4,477,479.20 : x
  2. Step 2: Convert to fraction form
    5,472,807.20/8,209,210.80 = 4,477,479.20/x
  3. Step 3: Cross multiply
    5,472,807.20x = 8,209,210.80 × 4,477,479.20
  4. Step 4: Simplify right side
    5,472,807.20x = 36,756,570,605,415.36
  5. Step 5: Solve for x
    x = 36,756,570,605,415.36/5,472,807.20
  6. Step 6: Final answer
    x = 6,716,218.80

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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.