Home / 21,152,256.30-31,731,207.93-8,369,771.67

Finding the Fourth Proportional to 21,152,256.30, 31,731,207.93 and 8,369,771.67

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Solution

The fourth proportional to 21,152,256.30, 31,731,207.93 and 8,369,771.67 is: 12,555,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,256.30 : 31,731,207.93 = 8,369,771.67 : x
  2. Step 2: Convert to fraction form
    21,152,256.30/31,731,207.93 = 8,369,771.67/x
  3. Step 3: Cross multiply
    21,152,256.30x = 31,731,207.93 × 8,369,771.67
  4. Step 4: Simplify right side
    21,152,256.30x = 265,582,965,187,393.34
  5. Step 5: Solve for x
    x = 265,582,965,187,393.34/21,152,256.30
  6. Step 6: Final answer
    x = 12,555,774.73

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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.