Home / 20,803,777.20-31,205,665.80-19,544,065.20

Finding the Fourth Proportional to 20,803,777.20, 31,205,665.80 and 19,544,065.20

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Solution

The fourth proportional to 20,803,777.20, 31,205,665.80 and 19,544,065.20 is: 29,316,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,777.20 : 31,205,665.80 = 19,544,065.20 : x
  2. Step 2: Convert to fraction form
    20,803,777.20/31,205,665.80 = 19,544,065.20/x
  3. Step 3: Cross multiply
    20,803,777.20x = 31,205,665.80 × 19,544,065.20
  4. Step 4: Simplify right side
    20,803,777.20x = 609,885,567,004,610.12
  5. Step 5: Solve for x
    x = 609,885,567,004,610.12/20,803,777.20
  6. Step 6: Final answer
    x = 29,316,097.80

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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.