Home / 38,818,324.80-58,217,518.80-11,518,160.40

Finding the Fourth Proportional to 38,818,324.80, 58,217,518.80 and 11,518,160.40

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Solution

The fourth proportional to 38,818,324.80, 58,217,518.80 and 11,518,160.40 is: 17,274,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818,324.80 : 58,217,518.80 = 11,518,160.40 : x
  2. Step 2: Convert to fraction form
    38,818,324.80/58,217,518.80 = 11,518,160.40/x
  3. Step 3: Cross multiply
    38,818,324.80x = 58,217,518.80 × 11,518,160.40
  4. Step 4: Simplify right side
    38,818,324.80x = 670,558,719,628,415.50
  5. Step 5: Solve for x
    x = 670,558,719,628,415.50/38,818,324.80
  6. Step 6: Final answer
    x = 17,274,282.78

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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.