Home / 21,826,427.40-32,730,633.09-7,450,654.32

Finding the Fourth Proportional to 21,826,427.40, 32,730,633.09 and 7,450,654.32

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Solution

The fourth proportional to 21,826,427.40, 32,730,633.09 and 7,450,654.32 is: 11,172,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826,427.40 : 32,730,633.09 = 7,450,654.32 : x
  2. Step 2: Convert to fraction form
    21,826,427.40/32,730,633.09 = 7,450,654.32/x
  3. Step 3: Cross multiply
    21,826,427.40x = 32,730,633.09 × 7,450,654.32
  4. Step 4: Simplify right side
    21,826,427.40x = 243,864,632,828,343.47
  5. Step 5: Solve for x
    x = 243,864,632,828,343.47/21,826,427.40
  6. Step 6: Final answer
    x = 11,172,906.51

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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.