Home / 21,026,257.70-31,553,492.70-7,379,377.70

Finding the Fourth Proportional to 21,026,257.70, 31,553,492.70 and 7,379,377.70

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Solution

The fourth proportional to 21,026,257.70, 31,553,492.70 and 7,379,377.70 is: 11,074,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,257.70 : 31,553,492.70 = 7,379,377.70 : x
  2. Step 2: Convert to fraction form
    21,026,257.70/31,553,492.70 = 7,379,377.70/x
  3. Step 3: Cross multiply
    21,026,257.70x = 31,553,492.70 × 7,379,377.70
  4. Step 4: Simplify right side
    21,026,257.70x = 232,845,140,387,492.78
  5. Step 5: Solve for x
    x = 232,845,140,387,492.78/21,026,257.70
  6. Step 6: Final answer
    x = 11,074,017.25

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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.