Home / 6,376,405.20-9,564,607.80-6,128,399.40

Finding the Fourth Proportional to 6,376,405.20, 9,564,607.80 and 6,128,399.40

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Solution

The fourth proportional to 6,376,405.20, 9,564,607.80 and 6,128,399.40 is: 9,192,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376,405.20 : 9,564,607.80 = 6,128,399.40 : x
  2. Step 2: Convert to fraction form
    6,376,405.20/9,564,607.80 = 6,128,399.40/x
  3. Step 3: Cross multiply
    6,376,405.20x = 9,564,607.80 × 6,128,399.40
  4. Step 4: Simplify right side
    6,376,405.20x = 58,615,736,702,755.33
  5. Step 5: Solve for x
    x = 58,615,736,702,755.33/6,376,405.20
  6. Step 6: Final answer
    x = 9,192,599.10

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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.