Home / 8,220,059.51-11,349,263.93-5,123,821.55

Finding the Fourth Proportional to 8,220,059.51, 11,349,263.93 and 5,123,821.55

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Solution

The fourth proportional to 8,220,059.51, 11,349,263.93 and 5,123,821.55 is: 7,074,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,059.51 : 11,349,263.93 = 5,123,821.55 : x
  2. Step 2: Convert to fraction form
    8,220,059.51/11,349,263.93 = 5,123,821.55/x
  3. Step 3: Cross multiply
    8,220,059.51x = 11,349,263.93 × 5,123,821.55
  4. Step 4: Simplify right side
    8,220,059.51x = 58,151,603,018,806.27
  5. Step 5: Solve for x
    x = 58,151,603,018,806.27/8,220,059.51
  6. Step 6: Final answer
    x = 7,074,353.05

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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.