Home / 15,028,750.20-20,739,039-8,502,490.68

Finding the Fourth Proportional to 15,028,750.20, 20,739,039 and 8,502,490.68

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Solution

The fourth proportional to 15,028,750.20, 20,739,039 and 8,502,490.68 is: 11,733,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,750.20 : 20,739,039 = 8,502,490.68 : x
  2. Step 2: Convert to fraction form
    15,028,750.20/20,739,039 = 8,502,490.68/x
  3. Step 3: Cross multiply
    15,028,750.20x = 20,739,039 × 8,502,490.68
  4. Step 4: Simplify right side
    15,028,750.20x = 176,333,485,809,656.50
  5. Step 5: Solve for x
    x = 176,333,485,809,656.50/15,028,750.20
  6. Step 6: Final answer
    x = 11,733,077.17

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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.