Home / 7,275,788.15-10,038,861.39-4,135,805.36

Finding the Fourth Proportional to 7,275,788.15, 10,038,861.39 and 4,135,805.36

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Solution

The fourth proportional to 7,275,788.15, 10,038,861.39 and 4,135,805.36 is: 5,706,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,788.15 : 10,038,861.39 = 4,135,805.36 : x
  2. Step 2: Convert to fraction form
    7,275,788.15/10,038,861.39 = 4,135,805.36/x
  3. Step 3: Cross multiply
    7,275,788.15x = 10,038,861.39 × 4,135,805.36
  4. Step 4: Simplify right side
    7,275,788.15x = 41,518,776,748,019.75
  5. Step 5: Solve for x
    x = 41,518,776,748,019.75/7,275,788.15
  6. Step 6: Final answer
    x = 5,706,430.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.