Home / 21,071,479.72-31,592,695.02-8,293,451.56

Finding the Fourth Proportional to 21,071,479.72, 31,592,695.02 and 8,293,451.56

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Solution

The fourth proportional to 21,071,479.72, 31,592,695.02 and 8,293,451.56 is: 12,434,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,479.72 : 31,592,695.02 = 8,293,451.56 : x
  2. Step 2: Convert to fraction form
    21,071,479.72/31,592,695.02 = 8,293,451.56/x
  3. Step 3: Cross multiply
    21,071,479.72x = 31,592,695.02 × 8,293,451.56
  4. Step 4: Simplify right side
    21,071,479.72x = 262,012,485,798,223.22
  5. Step 5: Solve for x
    x = 262,012,485,798,223.22/21,071,479.72
  6. Step 6: Final answer
    x = 12,434,460.67

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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.