Home / 11,129,132.40-16,693,698.60-5,460,428.40

Finding the Fourth Proportional to 11,129,132.40, 16,693,698.60 and 5,460,428.40

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Solution

The fourth proportional to 11,129,132.40, 16,693,698.60 and 5,460,428.40 is: 8,190,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,132.40 : 16,693,698.60 = 5,460,428.40 : x
  2. Step 2: Convert to fraction form
    11,129,132.40/16,693,698.60 = 5,460,428.40/x
  3. Step 3: Cross multiply
    11,129,132.40x = 16,693,698.60 × 5,460,428.40
  4. Step 4: Simplify right side
    11,129,132.40x = 91,154,745,936,480.25
  5. Step 5: Solve for x
    x = 91,154,745,936,480.25/11,129,132.40
  6. Step 6: Final answer
    x = 8,190,642.60

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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.