Home / 21,021,947.10-31,532,920.65-21,021,947.10

Finding the Fourth Proportional to 21,021,947.10, 31,532,920.65 and 21,021,947.10

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Solution

The fourth proportional to 21,021,947.10, 31,532,920.65 and 21,021,947.10 is: 31,532,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,947.10 : 31,532,920.65 = 21,021,947.10 : x
  2. Step 2: Convert to fraction form
    21,021,947.10/31,532,920.65 = 21,021,947.10/x
  3. Step 3: Cross multiply
    21,021,947.10x = 31,532,920.65 × 21,021,947.10
  4. Step 4: Simplify right side
    21,021,947.10x = 662,883,389,812,797.62
  5. Step 5: Solve for x
    x = 662,883,389,812,797.62/21,021,947.10
  6. Step 6: Final answer
    x = 31,532,920.65

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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.