Home / 37,939,876.32-56,918,868-12,380,933.28

Finding the Fourth Proportional to 37,939,876.32, 56,918,868 and 12,380,933.28

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Solution

The fourth proportional to 37,939,876.32, 56,918,868 and 12,380,933.28 is: 18,574,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939,876.32 : 56,918,868 = 12,380,933.28 : x
  2. Step 2: Convert to fraction form
    37,939,876.32/56,918,868 = 12,380,933.28/x
  3. Step 3: Cross multiply
    37,939,876.32x = 56,918,868 × 12,380,933.28
  4. Step 4: Simplify right side
    37,939,876.32x = 704,708,707,081,127
  5. Step 5: Solve for x
    x = 704,708,707,081,127/37,939,876.32
  6. Step 6: Final answer
    x = 18,574,354.36

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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.