Home / 21,296,951.70-31,945,427.55-7,832,030.10

Finding the Fourth Proportional to 21,296,951.70, 31,945,427.55 and 7,832,030.10

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Solution

The fourth proportional to 21,296,951.70, 31,945,427.55 and 7,832,030.10 is: 11,748,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,951.70 : 31,945,427.55 = 7,832,030.10 : x
  2. Step 2: Convert to fraction form
    21,296,951.70/31,945,427.55 = 7,832,030.10/x
  3. Step 3: Cross multiply
    21,296,951.70x = 31,945,427.55 × 7,832,030.10
  4. Step 4: Simplify right side
    21,296,951.70x = 250,197,550,128,969.25
  5. Step 5: Solve for x
    x = 250,197,550,128,969.25/21,296,951.70
  6. Step 6: Final answer
    x = 11,748,045.15

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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.