Home / 19,553,429.12-29,330,143.73-10,427,879.72

Finding the Fourth Proportional to 19,553,429.12, 29,330,143.73 and 10,427,879.72

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Solution

The fourth proportional to 19,553,429.12, 29,330,143.73 and 10,427,879.72 is: 15,641,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553,429.12 : 29,330,143.73 = 10,427,879.72 : x
  2. Step 2: Convert to fraction form
    19,553,429.12/29,330,143.73 = 10,427,879.72/x
  3. Step 3: Cross multiply
    19,553,429.12x = 29,330,143.73 × 10,427,879.72
  4. Step 4: Simplify right side
    19,553,429.12x = 305,851,210,937,054.62
  5. Step 5: Solve for x
    x = 305,851,210,937,054.62/19,553,429.12
  6. Step 6: Final answer
    x = 15,641,819.60

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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.