Home / 11,432,407.91-15,776,314.72-6,470,742.78

Finding the Fourth Proportional to 11,432,407.91, 15,776,314.72 and 6,470,742.78

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Solution

The fourth proportional to 11,432,407.91, 15,776,314.72 and 6,470,742.78 is: 8,929,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432,407.91 : 15,776,314.72 = 6,470,742.78 : x
  2. Step 2: Convert to fraction form
    11,432,407.91/15,776,314.72 = 6,470,742.78/x
  3. Step 3: Cross multiply
    11,432,407.91x = 15,776,314.72 × 6,470,742.78
  4. Step 4: Simplify right side
    11,432,407.91x = 102,084,474,553,270.86
  5. Step 5: Solve for x
    x = 102,084,474,553,270.86/11,432,407.91
  6. Step 6: Final answer
    x = 8,929,394.00

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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.