Home / 6,120,678.40-9,181,017.60-5,772,313.60

Finding the Fourth Proportional to 6,120,678.40, 9,181,017.60 and 5,772,313.60

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Solution

The fourth proportional to 6,120,678.40, 9,181,017.60 and 5,772,313.60 is: 8,658,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,678.40 : 9,181,017.60 = 5,772,313.60 : x
  2. Step 2: Convert to fraction form
    6,120,678.40/9,181,017.60 = 5,772,313.60/x
  3. Step 3: Cross multiply
    6,120,678.40x = 9,181,017.60 × 5,772,313.60
  4. Step 4: Simplify right side
    6,120,678.40x = 52,995,712,754,319.35
  5. Step 5: Solve for x
    x = 52,995,712,754,319.35/6,120,678.40
  6. Step 6: Final answer
    x = 8,658,470.40

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Similar ratio
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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.