Home / 13,691,214.36-18,893,156.58-7,495,073.76

Finding the Fourth Proportional to 13,691,214.36, 18,893,156.58 and 7,495,073.76

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Solution

The fourth proportional to 13,691,214.36, 18,893,156.58 and 7,495,073.76 is: 10,342,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,214.36 : 18,893,156.58 = 7,495,073.76 : x
  2. Step 2: Convert to fraction form
    13,691,214.36/18,893,156.58 = 7,495,073.76/x
  3. Step 3: Cross multiply
    13,691,214.36x = 18,893,156.58 × 7,495,073.76
  4. Step 4: Simplify right side
    13,691,214.36x = 141,605,602,126,329.31
  5. Step 5: Solve for x
    x = 141,605,602,126,329.31/13,691,214.36
  6. Step 6: Final answer
    x = 10,342,808.05

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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.