Home / 20,050,111.88-30,070,352.31-9,257,042.71

Finding the Fourth Proportional to 20,050,111.88, 30,070,352.31 and 9,257,042.71

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Solution

The fourth proportional to 20,050,111.88, 30,070,352.31 and 9,257,042.71 is: 13,883,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,111.88 : 30,070,352.31 = 9,257,042.71 : x
  2. Step 2: Convert to fraction form
    20,050,111.88/30,070,352.31 = 9,257,042.71/x
  3. Step 3: Cross multiply
    20,050,111.88x = 30,070,352.31 × 9,257,042.71
  4. Step 4: Simplify right side
    20,050,111.88x = 278,362,535,638,417.19
  5. Step 5: Solve for x
    x = 278,362,535,638,417.19/20,050,111.88
  6. Step 6: Final answer
    x = 13,883,340.77

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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.