Home / 8,064,864.72-11,129,479.75-4,393,769.86

Finding the Fourth Proportional to 8,064,864.72, 11,129,479.75 and 4,393,769.86

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Solution

The fourth proportional to 8,064,864.72, 11,129,479.75 and 4,393,769.86 is: 6,063,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,864.72 : 11,129,479.75 = 4,393,769.86 : x
  2. Step 2: Convert to fraction form
    8,064,864.72/11,129,479.75 = 4,393,769.86/x
  3. Step 3: Cross multiply
    8,064,864.72x = 11,129,479.75 × 4,393,769.86
  4. Step 4: Simplify right side
    8,064,864.72x = 48,900,372,683,030.34
  5. Step 5: Solve for x
    x = 48,900,372,683,030.34/8,064,864.72
  6. Step 6: Final answer
    x = 6,063,384.12

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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.