Home / 6,814,276.80-10,221,415.20-5,113,665.60

Finding the Fourth Proportional to 6,814,276.80, 10,221,415.20 and 5,113,665.60

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Solution

The fourth proportional to 6,814,276.80, 10,221,415.20 and 5,113,665.60 is: 7,670,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814,276.80 : 10,221,415.20 = 5,113,665.60 : x
  2. Step 2: Convert to fraction form
    6,814,276.80/10,221,415.20 = 5,113,665.60/x
  3. Step 3: Cross multiply
    6,814,276.80x = 10,221,415.20 × 5,113,665.60
  4. Step 4: Simplify right side
    6,814,276.80x = 52,268,899,291,557.11
  5. Step 5: Solve for x
    x = 52,268,899,291,557.11/6,814,276.80
  6. Step 6: Final answer
    x = 7,670,498.40

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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.