Home / 7,129,193.28-10,689,518.80-2,269,400.16

Finding the Fourth Proportional to 7,129,193.28, 10,689,518.80 and 2,269,400.16

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Solution

The fourth proportional to 7,129,193.28, 10,689,518.80 and 2,269,400.16 is: 3,402,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,193.28 : 10,689,518.80 = 2,269,400.16 : x
  2. Step 2: Convert to fraction form
    7,129,193.28/10,689,518.80 = 2,269,400.16/x
  3. Step 3: Cross multiply
    7,129,193.28x = 10,689,518.80 × 2,269,400.16
  4. Step 4: Simplify right side
    7,129,193.28x = 24,258,795,675,043.01
  5. Step 5: Solve for x
    x = 24,258,795,675,043.01/7,129,193.28
  6. Step 6: Final answer
    x = 3,402,740.64

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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.