Home / 6,878,534.40-10,317,801.60-6,772,246.20

Finding the Fourth Proportional to 6,878,534.40, 10,317,801.60 and 6,772,246.20

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Solution

The fourth proportional to 6,878,534.40, 10,317,801.60 and 6,772,246.20 is: 10,158,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,534.40 : 10,317,801.60 = 6,772,246.20 : x
  2. Step 2: Convert to fraction form
    6,878,534.40/10,317,801.60 = 6,772,246.20/x
  3. Step 3: Cross multiply
    6,878,534.40x = 10,317,801.60 × 6,772,246.20
  4. Step 4: Simplify right side
    6,878,534.40x = 69,874,692,677,953.92
  5. Step 5: Solve for x
    x = 69,874,692,677,953.92/6,878,534.40
  6. Step 6: Final answer
    x = 10,158,369.30

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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.