Home / 12,721,295.52-19,077,899.76-4,200,043.68

Finding the Fourth Proportional to 12,721,295.52, 19,077,899.76 and 4,200,043.68

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Solution

The fourth proportional to 12,721,295.52, 19,077,899.76 and 4,200,043.68 is: 6,298,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,721,295.52 : 19,077,899.76 = 4,200,043.68 : x
  2. Step 2: Convert to fraction form
    12,721,295.52/19,077,899.76 = 4,200,043.68/x
  3. Step 3: Cross multiply
    12,721,295.52x = 19,077,899.76 × 4,200,043.68
  4. Step 4: Simplify right side
    12,721,295.52x = 80,128,012,314,661.52
  5. Step 5: Solve for x
    x = 80,128,012,314,661.52/12,721,295.52
  6. Step 6: Final answer
    x = 6,298,730.52

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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.