Home / 15,133,838.90-20,885,140.77-8,258,764.10

Finding the Fourth Proportional to 15,133,838.90, 20,885,140.77 and 8,258,764.10

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Solution

The fourth proportional to 15,133,838.90, 20,885,140.77 and 8,258,764.10 is: 11,397,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,838.90 : 20,885,140.77 = 8,258,764.10 : x
  2. Step 2: Convert to fraction form
    15,133,838.90/20,885,140.77 = 8,258,764.10/x
  3. Step 3: Cross multiply
    15,133,838.90x = 20,885,140.77 × 8,258,764.10
  4. Step 4: Simplify right side
    15,133,838.90x = 172,485,450,814,722.34
  5. Step 5: Solve for x
    x = 172,485,450,814,722.34/15,133,838.90
  6. Step 6: Final answer
    x = 11,397,336.26

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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.