Home / 7,398,579.95-11,019,854.03-7,066,621.42

Finding the Fourth Proportional to 7,398,579.95, 11,019,854.03 and 7,066,621.42

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Solution

The fourth proportional to 7,398,579.95, 11,019,854.03 and 7,066,621.42 is: 10,525,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,579.95 : 11,019,854.03 = 7,066,621.42 : x
  2. Step 2: Convert to fraction form
    7,398,579.95/11,019,854.03 = 7,066,621.42/x
  3. Step 3: Cross multiply
    7,398,579.95x = 11,019,854.03 × 7,066,621.42
  4. Step 4: Simplify right side
    7,398,579.95x = 77,873,136,523,788.25
  5. Step 5: Solve for x
    x = 77,873,136,523,788.25/7,398,579.95
  6. Step 6: Final answer
    x = 10,525,416.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.