Home / 20,749,300.90-31,118,518.87-6,172,292.87

Finding the Fourth Proportional to 20,749,300.90, 31,118,518.87 and 6,172,292.87

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Solution

The fourth proportional to 20,749,300.90, 31,118,518.87 and 6,172,292.87 is: 9,256,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749,300.90 : 31,118,518.87 = 6,172,292.87 : x
  2. Step 2: Convert to fraction form
    20,749,300.90/31,118,518.87 = 6,172,292.87/x
  3. Step 3: Cross multiply
    20,749,300.90x = 31,118,518.87 × 6,172,292.87
  4. Step 4: Simplify right side
    20,749,300.90x = 192,072,612,196,809.91
  5. Step 5: Solve for x
    x = 192,072,612,196,809.91/20,749,300.90
  6. Step 6: Final answer
    x = 9,256,823.31

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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.