Home / 12,618,368.70-18,927,553.08-3,033,747.24

Finding the Fourth Proportional to 12,618,368.70, 18,927,553.08 and 3,033,747.24

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Solution

The fourth proportional to 12,618,368.70, 18,927,553.08 and 3,033,747.24 is: 4,550,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,368.70 : 18,927,553.08 = 3,033,747.24 : x
  2. Step 2: Convert to fraction form
    12,618,368.70/18,927,553.08 = 3,033,747.24/x
  3. Step 3: Cross multiply
    12,618,368.70x = 18,927,553.08 × 3,033,747.24
  4. Step 4: Simplify right side
    12,618,368.70x = 57,421,411,916,403.50
  5. Step 5: Solve for x
    x = 57,421,411,916,403.50/12,618,368.70
  6. Step 6: Final answer
    x = 4,550,620.87

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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.