Home / 6,818,740.71-9,410,082.30-3,878,482.20

Finding the Fourth Proportional to 6,818,740.71, 9,410,082.30 and 3,878,482.20

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Solution

The fourth proportional to 6,818,740.71, 9,410,082.30 and 3,878,482.20 is: 5,352,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818,740.71 : 9,410,082.30 = 3,878,482.20 : x
  2. Step 2: Convert to fraction form
    6,818,740.71/9,410,082.30 = 3,878,482.20/x
  3. Step 3: Cross multiply
    6,818,740.71x = 9,410,082.30 × 3,878,482.20
  4. Step 4: Simplify right side
    6,818,740.71x = 36,496,836,701,085.06
  5. Step 5: Solve for x
    x = 36,496,836,701,085.06/6,818,740.71
  6. Step 6: Final answer
    x = 5,352,430.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.