Home / 42,009,855.20-63,014,782.80-10,097,151.20

Finding the Fourth Proportional to 42,009,855.20, 63,014,782.80 and 10,097,151.20

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Solution

The fourth proportional to 42,009,855.20, 63,014,782.80 and 10,097,151.20 is: 15,145,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,855.20 : 63,014,782.80 = 10,097,151.20 : x
  2. Step 2: Convert to fraction form
    42,009,855.20/63,014,782.80 = 10,097,151.20/x
  3. Step 3: Cross multiply
    42,009,855.20x = 63,014,782.80 × 10,097,151.20
  4. Step 4: Simplify right side
    42,009,855.20x = 636,269,789,766,759.25
  5. Step 5: Solve for x
    x = 636,269,789,766,759.25/42,009,855.20
  6. Step 6: Final answer
    x = 15,145,726.80

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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.