Home / 21,328,010.60-31,992,015.90-9,360,746.60

Finding the Fourth Proportional to 21,328,010.60, 31,992,015.90 and 9,360,746.60

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Solution

The fourth proportional to 21,328,010.60, 31,992,015.90 and 9,360,746.60 is: 14,041,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328,010.60 : 31,992,015.90 = 9,360,746.60 : x
  2. Step 2: Convert to fraction form
    21,328,010.60/31,992,015.90 = 9,360,746.60/x
  3. Step 3: Cross multiply
    21,328,010.60x = 31,992,015.90 × 9,360,746.60
  4. Step 4: Simplify right side
    21,328,010.60x = 299,469,154,063,070.94
  5. Step 5: Solve for x
    x = 299,469,154,063,070.94/21,328,010.60
  6. Step 6: Final answer
    x = 14,041,119.90

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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.