Home / 21,905,904.20-32,795,870.70-21,276,048.20

Finding the Fourth Proportional to 21,905,904.20, 32,795,870.70 and 21,276,048.20

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Solution

The fourth proportional to 21,905,904.20, 32,795,870.70 and 21,276,048.20 is: 31,852,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905,904.20 : 32,795,870.70 = 21,276,048.20 : x
  2. Step 2: Convert to fraction form
    21,905,904.20/32,795,870.70 = 21,276,048.20/x
  3. Step 3: Cross multiply
    21,905,904.20x = 32,795,870.70 × 21,276,048.20
  4. Step 4: Simplify right side
    21,905,904.20x = 697,766,525,774,167.75
  5. Step 5: Solve for x
    x = 697,766,525,774,167.75/21,905,904.20
  6. Step 6: Final answer
    x = 31,852,897.71

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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.