Home / 12,718,653.48-18,991,829.84-10,095,528.83

Finding the Fourth Proportional to 12,718,653.48, 18,991,829.84 and 10,095,528.83

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Solution

The fourth proportional to 12,718,653.48, 18,991,829.84 and 10,095,528.83 is: 15,074,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,653.48 : 18,991,829.84 = 10,095,528.83 : x
  2. Step 2: Convert to fraction form
    12,718,653.48/18,991,829.84 = 10,095,528.83/x
  3. Step 3: Cross multiply
    12,718,653.48x = 18,991,829.84 × 10,095,528.83
  4. Step 4: Simplify right side
    12,718,653.48x = 191,732,565,538,737.50
  5. Step 5: Solve for x
    x = 191,732,565,538,737.50/12,718,653.48
  6. Step 6: Final answer
    x = 15,074,910.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.