Home / 28,452,942.18-42,679,525.32-6,887,509.23

Finding the Fourth Proportional to 28,452,942.18, 42,679,525.32 and 6,887,509.23

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Solution

The fourth proportional to 28,452,942.18, 42,679,525.32 and 6,887,509.23 is: 10,331,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,942.18 : 42,679,525.32 = 6,887,509.23 : x
  2. Step 2: Convert to fraction form
    28,452,942.18/42,679,525.32 = 6,887,509.23/x
  3. Step 3: Cross multiply
    28,452,942.18x = 42,679,525.32 × 6,887,509.23
  4. Step 4: Simplify right side
    28,452,942.18x = 293,955,624,573,518.75
  5. Step 5: Solve for x
    x = 293,955,624,573,518.75/28,452,942.18
  6. Step 6: Final answer
    x = 10,331,290.97

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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.