Home / 20,564,182.39-30,662,424.36-19,999,194.18

Finding the Fourth Proportional to 20,564,182.39, 30,662,424.36 and 19,999,194.18

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Solution

The fourth proportional to 20,564,182.39, 30,662,424.36 and 19,999,194.18 is: 29,819,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564,182.39 : 30,662,424.36 = 19,999,194.18 : x
  2. Step 2: Convert to fraction form
    20,564,182.39/30,662,424.36 = 19,999,194.18/x
  3. Step 3: Cross multiply
    20,564,182.39x = 30,662,424.36 × 19,999,194.18
  4. Step 4: Simplify right side
    20,564,182.39x = 613,223,778,551,894.12
  5. Step 5: Solve for x
    x = 613,223,778,551,894.12/20,564,182.39
  6. Step 6: Final answer
    x = 29,819,993.18

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1.5x scale

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.