Home / 7,325,347.20-10,984,910.40-3,539,990.40

Finding the Fourth Proportional to 7,325,347.20, 10,984,910.40 and 3,539,990.40

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Solution

The fourth proportional to 7,325,347.20, 10,984,910.40 and 3,539,990.40 is: 5,308,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325,347.20 : 10,984,910.40 = 3,539,990.40 : x
  2. Step 2: Convert to fraction form
    7,325,347.20/10,984,910.40 = 3,539,990.40/x
  3. Step 3: Cross multiply
    7,325,347.20x = 10,984,910.40 × 3,539,990.40
  4. Step 4: Simplify right side
    7,325,347.20x = 38,886,477,360,860.16
  5. Step 5: Solve for x
    x = 38,886,477,360,860.16/7,325,347.20
  6. Step 6: Final answer
    x = 5,308,482.49

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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.