Home / 6,858,335.20-10,277,005.20-6,480,421.60

Finding the Fourth Proportional to 6,858,335.20, 10,277,005.20 and 6,480,421.60

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Solution

The fourth proportional to 6,858,335.20, 10,277,005.20 and 6,480,421.60 is: 9,710,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858,335.20 : 10,277,005.20 = 6,480,421.60 : x
  2. Step 2: Convert to fraction form
    6,858,335.20/10,277,005.20 = 6,480,421.60/x
  3. Step 3: Cross multiply
    6,858,335.20x = 10,277,005.20 × 6,480,421.60
  4. Step 4: Simplify right side
    6,858,335.20x = 66,599,326,481,392.31
  5. Step 5: Solve for x
    x = 66,599,326,481,392.31/6,858,335.20
  6. Step 6: Final answer
    x = 9,710,713.25

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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.