Home / 38,021,309.20-57,009,181.74-12,102,417.28

Finding the Fourth Proportional to 38,021,309.20, 57,009,181.74 and 12,102,417.28

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Solution

The fourth proportional to 38,021,309.20, 57,009,181.74 and 12,102,417.28 is: 18,146,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021,309.20 : 57,009,181.74 = 12,102,417.28 : x
  2. Step 2: Convert to fraction form
    38,021,309.20/57,009,181.74 = 12,102,417.28/x
  3. Step 3: Cross multiply
    38,021,309.20x = 57,009,181.74 × 12,102,417.28
  4. Step 4: Simplify right side
    38,021,309.20x = 689,948,906,208,836.50
  5. Step 5: Solve for x
    x = 689,948,906,208,836.50/38,021,309.20
  6. Step 6: Final answer
    x = 18,146,374.25

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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.