Home / 22,128,047.40-33,192,071.10-12,562,109.40

Finding the Fourth Proportional to 22,128,047.40, 33,192,071.10 and 12,562,109.40

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Solution

The fourth proportional to 22,128,047.40, 33,192,071.10 and 12,562,109.40 is: 18,843,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,047.40 : 33,192,071.10 = 12,562,109.40 : x
  2. Step 2: Convert to fraction form
    22,128,047.40/33,192,071.10 = 12,562,109.40/x
  3. Step 3: Cross multiply
    22,128,047.40x = 33,192,071.10 × 12,562,109.40
  4. Step 4: Simplify right side
    22,128,047.40x = 416,962,428,370,778.38
  5. Step 5: Solve for x
    x = 416,962,428,370,778.38/22,128,047.40
  6. Step 6: Final answer
    x = 18,843,164.10

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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.