Home / 19,958,906.70-29,938,360.05-10,888,980.30

Finding the Fourth Proportional to 19,958,906.70, 29,938,360.05 and 10,888,980.30

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Solution

The fourth proportional to 19,958,906.70, 29,938,360.05 and 10,888,980.30 is: 16,333,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,906.70 : 29,938,360.05 = 10,888,980.30 : x
  2. Step 2: Convert to fraction form
    19,958,906.70/29,938,360.05 = 10,888,980.30/x
  3. Step 3: Cross multiply
    19,958,906.70x = 29,938,360.05 × 10,888,980.30
  4. Step 4: Simplify right side
    19,958,906.70x = 325,998,212,798,757.06
  5. Step 5: Solve for x
    x = 325,998,212,798,757.06/19,958,906.70
  6. Step 6: Final answer
    x = 16,333,470.45

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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.