Home / 13,117,427.28-18,102,077.10-7,316,059.86

Finding the Fourth Proportional to 13,117,427.28, 18,102,077.10 and 7,316,059.86

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Solution

The fourth proportional to 13,117,427.28, 18,102,077.10 and 7,316,059.86 is: 10,096,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,427.28 : 18,102,077.10 = 7,316,059.86 : x
  2. Step 2: Convert to fraction form
    13,117,427.28/18,102,077.10 = 7,316,059.86/x
  3. Step 3: Cross multiply
    13,117,427.28x = 18,102,077.10 × 7,316,059.86
  4. Step 4: Simplify right side
    13,117,427.28x = 132,435,879,653,935.22
  5. Step 5: Solve for x
    x = 132,435,879,653,935.22/13,117,427.28
  6. Step 6: Final answer
    x = 10,096,177.92

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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.