Home / 30,499,333.20-45,784,429.20-18,382,478.40

Finding the Fourth Proportional to 30,499,333.20, 45,784,429.20 and 18,382,478.40

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Solution

The fourth proportional to 30,499,333.20, 45,784,429.20 and 18,382,478.40 is: 27,595,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499,333.20 : 45,784,429.20 = 18,382,478.40 : x
  2. Step 2: Convert to fraction form
    30,499,333.20/45,784,429.20 = 18,382,478.40/x
  3. Step 3: Cross multiply
    30,499,333.20x = 45,784,429.20 × 18,382,478.40
  4. Step 4: Simplify right side
    30,499,333.20x = 841,631,280,825,329.25
  5. Step 5: Solve for x
    x = 841,631,280,825,329.25/30,499,333.20
  6. Step 6: Final answer
    x = 27,595,071.52

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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.