Home / 7,281,378.09-10,918,577.25-3,440,002.77

Finding the Fourth Proportional to 7,281,378.09, 10,918,577.25 and 3,440,002.77

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Solution

The fourth proportional to 7,281,378.09, 10,918,577.25 and 3,440,002.77 is: 5,158,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,378.09 : 10,918,577.25 = 3,440,002.77 : x
  2. Step 2: Convert to fraction form
    7,281,378.09/10,918,577.25 = 3,440,002.77/x
  3. Step 3: Cross multiply
    7,281,378.09x = 10,918,577.25 × 3,440,002.77
  4. Step 4: Simplify right side
    7,281,378.09x = 37,559,935,984,458.98
  5. Step 5: Solve for x
    x = 37,559,935,984,458.98/7,281,378.09
  6. Step 6: Final answer
    x = 5,158,355.40

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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.