Home / 20,210,865.70-30,335,325.45-10,633,117.90

Finding the Fourth Proportional to 20,210,865.70, 30,335,325.45 and 10,633,117.90

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Solution

The fourth proportional to 20,210,865.70, 30,335,325.45 and 10,633,117.90 is: 15,959,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,865.70 : 30,335,325.45 = 10,633,117.90 : x
  2. Step 2: Convert to fraction form
    20,210,865.70/30,335,325.45 = 10,633,117.90/x
  3. Step 3: Cross multiply
    20,210,865.70x = 30,335,325.45 × 10,633,117.90
  4. Step 4: Simplify right side
    20,210,865.70x = 322,559,092,044,720.56
  5. Step 5: Solve for x
    x = 322,559,092,044,720.56/20,210,865.70
  6. Step 6: Final answer
    x = 15,959,687.07

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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.