Home / 28,508,095.77-42,762,142.83-13,150,841.73

Finding the Fourth Proportional to 28,508,095.77, 42,762,142.83 and 13,150,841.73

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Solution

The fourth proportional to 28,508,095.77, 42,762,142.83 and 13,150,841.73 is: 19,726,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,095.77 : 42,762,142.83 = 13,150,841.73 : x
  2. Step 2: Convert to fraction form
    28,508,095.77/42,762,142.83 = 13,150,841.73/x
  3. Step 3: Cross multiply
    28,508,095.77x = 42,762,142.83 × 13,150,841.73
  4. Step 4: Simplify right side
    28,508,095.77x = 562,358,172,392,984.31
  5. Step 5: Solve for x
    x = 562,358,172,392,984.31/28,508,095.77
  6. Step 6: Final answer
    x = 19,726,262.21

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1.5x scale

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.