Home / 8,055,069.86-11,087,921.57-7,020,780.45

Finding the Fourth Proportional to 8,055,069.86, 11,087,921.57 and 7,020,780.45

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Solution

The fourth proportional to 8,055,069.86, 11,087,921.57 and 7,020,780.45 is: 9,664,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055,069.86 : 11,087,921.57 = 7,020,780.45 : x
  2. Step 2: Convert to fraction form
    8,055,069.86/11,087,921.57 = 7,020,780.45/x
  3. Step 3: Cross multiply
    8,055,069.86x = 11,087,921.57 × 7,020,780.45
  4. Step 4: Simplify right side
    8,055,069.86x = 77,845,862,954,685.41
  5. Step 5: Solve for x
    x = 77,845,862,954,685.41/8,055,069.86
  6. Step 6: Final answer
    x = 9,664,207.06

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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.