Home / 7,427,246.40-11,139,314.40-3,643,444.80

Finding the Fourth Proportional to 7,427,246.40, 11,139,314.40 and 3,643,444.80

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Solution

The fourth proportional to 7,427,246.40, 11,139,314.40 and 3,643,444.80 is: 5,464,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,246.40 : 11,139,314.40 = 3,643,444.80 : x
  2. Step 2: Convert to fraction form
    7,427,246.40/11,139,314.40 = 3,643,444.80/x
  3. Step 3: Cross multiply
    7,427,246.40x = 11,139,314.40 × 3,643,444.80
  4. Step 4: Simplify right side
    7,427,246.40x = 40,585,477,126,245.12
  5. Step 5: Solve for x
    x = 40,585,477,126,245.12/7,427,246.40
  6. Step 6: Final answer
    x = 5,464,404.29

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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.