Home / 28,596,460.60-39,463,396.11-15,543,711.46

Finding the Fourth Proportional to 28,596,460.60, 39,463,396.11 and 15,543,711.46

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Solution

The fourth proportional to 28,596,460.60, 39,463,396.11 and 15,543,711.46 is: 21,450,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,460.60 : 39,463,396.11 = 15,543,711.46 : x
  2. Step 2: Convert to fraction form
    28,596,460.60/39,463,396.11 = 15,543,711.46/x
  3. Step 3: Cross multiply
    28,596,460.60x = 39,463,396.11 × 15,543,711.46
  4. Step 4: Simplify right side
    28,596,460.60x = 613,407,642,337,515.75
  5. Step 5: Solve for x
    x = 613,407,642,337,515.75/28,596,460.60
  6. Step 6: Final answer
    x = 21,450,474.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.