Home / 18,455,516.10-27,688,112.55-7,096,335.30

Finding the Fourth Proportional to 18,455,516.10, 27,688,112.55 and 7,096,335.30

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Solution

The fourth proportional to 18,455,516.10, 27,688,112.55 and 7,096,335.30 is: 10,646,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,516.10 : 27,688,112.55 = 7,096,335.30 : x
  2. Step 2: Convert to fraction form
    18,455,516.10/27,688,112.55 = 7,096,335.30/x
  3. Step 3: Cross multiply
    18,455,516.10x = 27,688,112.55 × 7,096,335.30
  4. Step 4: Simplify right side
    18,455,516.10x = 196,484,130,478,938
  5. Step 5: Solve for x
    x = 196,484,130,478,938/18,455,516.10
  6. Step 6: Final answer
    x = 10,646,363.36

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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.