Home / 20,401,945.02-28,152,543.66-11,578,586.52

Finding the Fourth Proportional to 20,401,945.02, 28,152,543.66 and 11,578,586.52

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Solution

The fourth proportional to 20,401,945.02, 28,152,543.66 and 11,578,586.52 is: 15,977,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,945.02 : 28,152,543.66 = 11,578,586.52 : x
  2. Step 2: Convert to fraction form
    20,401,945.02/28,152,543.66 = 11,578,586.52/x
  3. Step 3: Cross multiply
    20,401,945.02x = 28,152,543.66 × 11,578,586.52
  4. Step 4: Simplify right side
    20,401,945.02x = 325,966,662,525,387.44
  5. Step 5: Solve for x
    x = 325,966,662,525,387.44/20,401,945.02
  6. Step 6: Final answer
    x = 15,977,234.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.