Home / 31,921,544.40-47,888,537.40-12,749,038.80

Finding the Fourth Proportional to 31,921,544.40, 47,888,537.40 and 12,749,038.80

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Solution

The fourth proportional to 31,921,544.40, 47,888,537.40 and 12,749,038.80 is: 19,126,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921,544.40 : 47,888,537.40 = 12,749,038.80 : x
  2. Step 2: Convert to fraction form
    31,921,544.40/47,888,537.40 = 12,749,038.80/x
  3. Step 3: Cross multiply
    31,921,544.40x = 47,888,537.40 × 12,749,038.80
  4. Step 4: Simplify right side
    31,921,544.40x = 610,532,821,387,851.12
  5. Step 5: Solve for x
    x = 610,532,821,387,851.12/31,921,544.40
  6. Step 6: Final answer
    x = 19,126,042.70

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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.