Home / 30,355,218.40-45,517,081.20-11,176,103.20

Finding the Fourth Proportional to 30,355,218.40, 45,517,081.20 and 11,176,103.20

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Solution

The fourth proportional to 30,355,218.40, 45,517,081.20 and 11,176,103.20 is: 16,758,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355,218.40 : 45,517,081.20 = 11,176,103.20 : x
  2. Step 2: Convert to fraction form
    30,355,218.40/45,517,081.20 = 11,176,103.20/x
  3. Step 3: Cross multiply
    30,355,218.40x = 45,517,081.20 × 11,176,103.20
  4. Step 4: Simplify right side
    30,355,218.40x = 508,703,596,853,979.81
  5. Step 5: Solve for x
    x = 508,703,596,853,979.81/30,355,218.40
  6. Step 6: Final answer
    x = 16,758,357.33

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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.