Home / 20,118,460.16-30,177,699.96-6,655,288.16

Finding the Fourth Proportional to 20,118,460.16, 30,177,699.96 and 6,655,288.16

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Solution

The fourth proportional to 20,118,460.16, 30,177,699.96 and 6,655,288.16 is: 9,982,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,460.16 : 30,177,699.96 = 6,655,288.16 : x
  2. Step 2: Convert to fraction form
    20,118,460.16/30,177,699.96 = 6,655,288.16/x
  3. Step 3: Cross multiply
    20,118,460.16x = 30,177,699.96 × 6,655,288.16
  4. Step 4: Simplify right side
    20,118,460.16x = 200,841,289,239,820.47
  5. Step 5: Solve for x
    x = 200,841,289,239,820.47/20,118,460.16
  6. Step 6: Final answer
    x = 9,982,935.46

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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.