Home / 22,021,812.40-33,032,718.60-18,833,166.40

Finding the Fourth Proportional to 22,021,812.40, 33,032,718.60 and 18,833,166.40

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Solution

The fourth proportional to 22,021,812.40, 33,032,718.60 and 18,833,166.40 is: 28,249,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021,812.40 : 33,032,718.60 = 18,833,166.40 : x
  2. Step 2: Convert to fraction form
    22,021,812.40/33,032,718.60 = 18,833,166.40/x
  3. Step 3: Cross multiply
    22,021,812.40x = 33,032,718.60 × 18,833,166.40
  4. Step 4: Simplify right side
    22,021,812.40x = 622,110,686,038,175
  5. Step 5: Solve for x
    x = 622,110,686,038,175/22,021,812.40
  6. Step 6: Final answer
    x = 28,249,749.60

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Similar ratio
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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.