Home / 9,109,688.80-13,664,533.20-5,758,751.20

Finding the Fourth Proportional to 9,109,688.80, 13,664,533.20 and 5,758,751.20

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Solution

The fourth proportional to 9,109,688.80, 13,664,533.20 and 5,758,751.20 is: 8,638,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,688.80 : 13,664,533.20 = 5,758,751.20 : x
  2. Step 2: Convert to fraction form
    9,109,688.80/13,664,533.20 = 5,758,751.20/x
  3. Step 3: Cross multiply
    9,109,688.80x = 13,664,533.20 × 5,758,751.20
  4. Step 4: Simplify right side
    9,109,688.80x = 78,690,646,962,939.84
  5. Step 5: Solve for x
    x = 78,690,646,962,939.84/9,109,688.80
  6. Step 6: Final answer
    x = 8,638,126.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.