Home / 7,235,530.40-10,865,737.20-5,120,458.40

Finding the Fourth Proportional to 7,235,530.40, 10,865,737.20 and 5,120,458.40

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Solution

The fourth proportional to 7,235,530.40, 10,865,737.20 and 5,120,458.40 is: 7,689,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,530.40 : 10,865,737.20 = 5,120,458.40 : x
  2. Step 2: Convert to fraction form
    7,235,530.40/10,865,737.20 = 5,120,458.40/x
  3. Step 3: Cross multiply
    7,235,530.40x = 10,865,737.20 × 5,120,458.40
  4. Step 4: Simplify right side
    7,235,530.40x = 55,637,555,317,932.48
  5. Step 5: Solve for x
    x = 55,637,555,317,932.48/7,235,530.40
  6. Step 6: Final answer
    x = 7,689,492.30

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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.