Home / 18,217,359.40-27,326,039.10-4,754,187.40

Finding the Fourth Proportional to 18,217,359.40, 27,326,039.10 and 4,754,187.40

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Solution

The fourth proportional to 18,217,359.40, 27,326,039.10 and 4,754,187.40 is: 7,131,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,359.40 : 27,326,039.10 = 4,754,187.40 : x
  2. Step 2: Convert to fraction form
    18,217,359.40/27,326,039.10 = 4,754,187.40/x
  3. Step 3: Cross multiply
    18,217,359.40x = 27,326,039.10 × 4,754,187.40
  4. Step 4: Simplify right side
    18,217,359.40x = 129,913,110,781,127.36
  5. Step 5: Solve for x
    x = 129,913,110,781,127.36/18,217,359.40
  6. Step 6: Final answer
    x = 7,131,281.10

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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.