Home / 6,813,643.20-10,220,464.80-5,800,430.40

Finding the Fourth Proportional to 6,813,643.20, 10,220,464.80 and 5,800,430.40

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Solution

The fourth proportional to 6,813,643.20, 10,220,464.80 and 5,800,430.40 is: 8,700,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813,643.20 : 10,220,464.80 = 5,800,430.40 : x
  2. Step 2: Convert to fraction form
    6,813,643.20/10,220,464.80 = 5,800,430.40/x
  3. Step 3: Cross multiply
    6,813,643.20x = 10,220,464.80 × 5,800,430.40
  4. Step 4: Simplify right side
    6,813,643.20x = 59,283,094,728,049.93
  5. Step 5: Solve for x
    x = 59,283,094,728,049.93/6,813,643.20
  6. Step 6: Final answer
    x = 8,700,645.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.