Home / 6,885,657.60-10,328,486.40-6,141,640.20

Finding the Fourth Proportional to 6,885,657.60, 10,328,486.40 and 6,141,640.20

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Solution

The fourth proportional to 6,885,657.60, 10,328,486.40 and 6,141,640.20 is: 9,212,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885,657.60 : 10,328,486.40 = 6,141,640.20 : x
  2. Step 2: Convert to fraction form
    6,885,657.60/10,328,486.40 = 6,141,640.20/x
  3. Step 3: Cross multiply
    6,885,657.60x = 10,328,486.40 × 6,141,640.20
  4. Step 4: Simplify right side
    6,885,657.60x = 63,433,847,279,393.28
  5. Step 5: Solve for x
    x = 63,433,847,279,393.28/6,885,657.60
  6. Step 6: Final answer
    x = 9,212,460.30

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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.