Home / 21,054,558.30-31,581,837.45-6,678,751.20

Finding the Fourth Proportional to 21,054,558.30, 31,581,837.45 and 6,678,751.20

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Solution

The fourth proportional to 21,054,558.30, 31,581,837.45 and 6,678,751.20 is: 10,018,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,558.30 : 31,581,837.45 = 6,678,751.20 : x
  2. Step 2: Convert to fraction form
    21,054,558.30/31,581,837.45 = 6,678,751.20/x
  3. Step 3: Cross multiply
    21,054,558.30x = 31,581,837.45 × 6,678,751.20
  4. Step 4: Simplify right side
    21,054,558.30x = 210,927,234,767,392.44
  5. Step 5: Solve for x
    x = 210,927,234,767,392.44/21,054,558.30
  6. Step 6: Final answer
    x = 10,018,126.80

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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.