Home / 15,018,200.14-20,724,988.70-8,493,110.14

Finding the Fourth Proportional to 15,018,200.14, 20,724,988.70 and 8,493,110.14

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Solution

The fourth proportional to 15,018,200.14, 20,724,988.70 and 8,493,110.14 is: 11,720,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,200.14 : 20,724,988.70 = 8,493,110.14 : x
  2. Step 2: Convert to fraction form
    15,018,200.14/20,724,988.70 = 8,493,110.14/x
  3. Step 3: Cross multiply
    15,018,200.14x = 20,724,988.70 × 8,493,110.14
  4. Step 4: Simplify right side
    15,018,200.14x = 176,019,611,679,355.44
  5. Step 5: Solve for x
    x = 176,019,611,679,355.44/15,018,200.14
  6. Step 6: Final answer
    x = 11,720,419.89

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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.