Home / 28,447,341.28-42,653,732.58-11,154,825.48

Finding the Fourth Proportional to 28,447,341.28, 42,653,732.58 and 11,154,825.48

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Solution

The fourth proportional to 28,447,341.28, 42,653,732.58 and 11,154,825.48 is: 16,725,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,341.28 : 42,653,732.58 = 11,154,825.48 : x
  2. Step 2: Convert to fraction form
    28,447,341.28/42,653,732.58 = 11,154,825.48/x
  3. Step 3: Cross multiply
    28,447,341.28x = 42,653,732.58 × 11,154,825.48
  4. Step 4: Simplify right side
    28,447,341.28x = 475,794,942,881,271.69
  5. Step 5: Solve for x
    x = 475,794,942,881,271.69/28,447,341.28
  6. Step 6: Final answer
    x = 16,725,462.61

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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.