Home / 31,495,273.44-47,261,510.52-13,298,290.68

Finding the Fourth Proportional to 31,495,273.44, 47,261,510.52 and 13,298,290.68

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Solution

The fourth proportional to 31,495,273.44, 47,261,510.52 and 13,298,290.68 is: 19,955,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495,273.44 : 47,261,510.52 = 13,298,290.68 : x
  2. Step 2: Convert to fraction form
    31,495,273.44/47,261,510.52 = 13,298,290.68/x
  3. Step 3: Cross multiply
    31,495,273.44x = 47,261,510.52 × 13,298,290.68
  4. Step 4: Simplify right side
    31,495,273.44x = 628,497,304,870,838
  5. Step 5: Solve for x
    x = 628,497,304,870,838/31,495,273.44
  6. Step 6: Final answer
    x = 19,955,289.67

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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.