Home / 30,386,179.11-45,586,519.69-9,915,936.74

Finding the Fourth Proportional to 30,386,179.11, 45,586,519.69 and 9,915,936.74

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Solution

The fourth proportional to 30,386,179.11, 45,586,519.69 and 9,915,936.74 is: 14,876,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,179.11 : 45,586,519.69 = 9,915,936.74 : x
  2. Step 2: Convert to fraction form
    30,386,179.11/45,586,519.69 = 9,915,936.74/x
  3. Step 3: Cross multiply
    30,386,179.11x = 45,586,519.69 × 9,915,936.74
  4. Step 4: Simplify right side
    30,386,179.11x = 452,033,045,442,804.38
  5. Step 5: Solve for x
    x = 452,033,045,442,804.38/30,386,179.11
  6. Step 6: Final answer
    x = 14,876,271.34

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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.