Home / 13,695,124.12-18,899,295.78-7,415,722.24

Finding the Fourth Proportional to 13,695,124.12, 18,899,295.78 and 7,415,722.24

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Solution

The fourth proportional to 13,695,124.12, 18,899,295.78 and 7,415,722.24 is: 10,233,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695,124.12 : 18,899,295.78 = 7,415,722.24 : x
  2. Step 2: Convert to fraction form
    13,695,124.12/18,899,295.78 = 7,415,722.24/x
  3. Step 3: Cross multiply
    13,695,124.12x = 18,899,295.78 × 7,415,722.24
  4. Step 4: Simplify right side
    13,695,124.12x = 140,151,928,036,084.16
  5. Step 5: Solve for x
    x = 140,151,928,036,084.16/13,695,124.12
  6. Step 6: Final answer
    x = 10,233,709.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.