Home / 13,149,908.73-18,146,821.53-7,348,688.95

Finding the Fourth Proportional to 13,149,908.73, 18,146,821.53 and 7,348,688.95

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Solution

The fourth proportional to 13,149,908.73, 18,146,821.53 and 7,348,688.95 is: 10,141,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,908.73 : 18,146,821.53 = 7,348,688.95 : x
  2. Step 2: Convert to fraction form
    13,149,908.73/18,146,821.53 = 7,348,688.95/x
  3. Step 3: Cross multiply
    13,149,908.73x = 18,146,821.53 × 7,348,688.95
  4. Step 4: Simplify right side
    13,149,908.73x = 133,355,346,855,133.11
  5. Step 5: Solve for x
    x = 133,355,346,855,133.11/13,149,908.73
  6. Step 6: Final answer
    x = 10,141,161.40

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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.