Home / 21,890,663.81-32,824,910.21-7,312,386.07

Finding the Fourth Proportional to 21,890,663.81, 32,824,910.21 and 7,312,386.07

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Solution

The fourth proportional to 21,890,663.81, 32,824,910.21 and 7,312,386.07 is: 10,964,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890,663.81 : 32,824,910.21 = 7,312,386.07 : x
  2. Step 2: Convert to fraction form
    21,890,663.81/32,824,910.21 = 7,312,386.07/x
  3. Step 3: Cross multiply
    21,890,663.81x = 32,824,910.21 × 7,312,386.07
  4. Step 4: Simplify right side
    21,890,663.81x = 240,028,416,173,073.97
  5. Step 5: Solve for x
    x = 240,028,416,173,073.97/21,890,663.81
  6. Step 6: Final answer
    x = 10,964,876.09

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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.