Home / 8,855,817.32-13,272,320.73-4,298,045.78

Finding the Fourth Proportional to 8,855,817.32, 13,272,320.73 and 4,298,045.78

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Solution

The fourth proportional to 8,855,817.32, 13,272,320.73 and 4,298,045.78 is: 6,441,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,817.32 : 13,272,320.73 = 4,298,045.78 : x
  2. Step 2: Convert to fraction form
    8,855,817.32/13,272,320.73 = 4,298,045.78/x
  3. Step 3: Cross multiply
    8,855,817.32x = 13,272,320.73 × 4,298,045.78
  4. Step 4: Simplify right side
    8,855,817.32x = 57,045,042,104,383.02
  5. Step 5: Solve for x
    x = 57,045,042,104,383.02/8,855,817.32
  6. Step 6: Final answer
    x = 6,441,533.29

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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.