Home / 5,660,690.25-8,528,845.86-5,121,637.55

Finding the Fourth Proportional to 5,660,690.25, 8,528,845.86 and 5,121,637.55

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Solution

The fourth proportional to 5,660,690.25, 8,528,845.86 and 5,121,637.55 is: 7,716,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660,690.25 : 8,528,845.86 = 5,121,637.55 : x
  2. Step 2: Convert to fraction form
    5,660,690.25/8,528,845.86 = 5,121,637.55/x
  3. Step 3: Cross multiply
    5,660,690.25x = 8,528,845.86 × 5,121,637.55
  4. Step 4: Simplify right side
    5,660,690.25x = 43,681,657,172,093.81
  5. Step 5: Solve for x
    x = 43,681,657,172,093.81/5,660,690.25
  6. Step 6: Final answer
    x = 7,716,666.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.