Home / 6,999,993.20-10,502,322.60-3,407,999.60

Finding the Fourth Proportional to 6,999,993.20, 10,502,322.60 and 3,407,999.60

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Solution

The fourth proportional to 6,999,993.20, 10,502,322.60 and 3,407,999.60 is: 5,113,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999,993.20 : 10,502,322.60 = 3,407,999.60 : x
  2. Step 2: Convert to fraction form
    6,999,993.20/10,502,322.60 = 3,407,999.60/x
  3. Step 3: Cross multiply
    6,999,993.20x = 10,502,322.60 × 3,407,999.60
  4. Step 4: Simplify right side
    6,999,993.20x = 35,791,911,219,870.96
  5. Step 5: Solve for x
    x = 35,791,911,219,870.96/6,999,993.20
  6. Step 6: Final answer
    x = 5,113,135.14

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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.