Home / 9,194,658.80-12,688,917.72-5,064,989.36

Finding the Fourth Proportional to 9,194,658.80, 12,688,917.72 and 5,064,989.36

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Solution

The fourth proportional to 9,194,658.80, 12,688,917.72 and 5,064,989.36 is: 6,989,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194,658.80 : 12,688,917.72 = 5,064,989.36 : x
  2. Step 2: Convert to fraction form
    9,194,658.80/12,688,917.72 = 5,064,989.36/x
  3. Step 3: Cross multiply
    9,194,658.80x = 12,688,917.72 × 5,064,989.36
  4. Step 4: Simplify right side
    9,194,658.80x = 64,269,233,241,715.47
  5. Step 5: Solve for x
    x = 64,269,233,241,715.47/9,194,658.80
  6. Step 6: Final answer
    x = 6,989,844.28

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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.