Home / 7,698,200.70-11,550,065.85-7,421,720.70

Finding the Fourth Proportional to 7,698,200.70, 11,550,065.85 and 7,421,720.70

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Solution

The fourth proportional to 7,698,200.70, 11,550,065.85 and 7,421,720.70 is: 11,135,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698,200.70 : 11,550,065.85 = 7,421,720.70 : x
  2. Step 2: Convert to fraction form
    7,698,200.70/11,550,065.85 = 7,421,720.70/x
  3. Step 3: Cross multiply
    7,698,200.70x = 11,550,065.85 × 7,421,720.70
  4. Step 4: Simplify right side
    7,698,200.70x = 85,721,362,805,308.09
  5. Step 5: Solve for x
    x = 85,721,362,805,308.09/7,698,200.70
  6. Step 6: Final answer
    x = 11,135,246.55

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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.