Home / 6,925,619.20-10,388,428.80-4,374,702.40

Finding the Fourth Proportional to 6,925,619.20, 10,388,428.80 and 4,374,702.40

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Solution

The fourth proportional to 6,925,619.20, 10,388,428.80 and 4,374,702.40 is: 6,562,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925,619.20 : 10,388,428.80 = 4,374,702.40 : x
  2. Step 2: Convert to fraction form
    6,925,619.20/10,388,428.80 = 4,374,702.40/x
  3. Step 3: Cross multiply
    6,925,619.20x = 10,388,428.80 × 4,374,702.40
  4. Step 4: Simplify right side
    6,925,619.20x = 45,446,284,403,589.12
  5. Step 5: Solve for x
    x = 45,446,284,403,589.12/6,925,619.20
  6. Step 6: Final answer
    x = 6,562,053.60

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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.