Home / 9,946,718.50-14,920,077.78-3,215,132.50

Finding the Fourth Proportional to 9,946,718.50, 14,920,077.78 and 3,215,132.50

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Solution

The fourth proportional to 9,946,718.50, 14,920,077.78 and 3,215,132.50 is: 4,822,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946,718.50 : 14,920,077.78 = 3,215,132.50 : x
  2. Step 2: Convert to fraction form
    9,946,718.50/14,920,077.78 = 3,215,132.50/x
  3. Step 3: Cross multiply
    9,946,718.50x = 14,920,077.78 × 3,215,132.50
  4. Step 4: Simplify right side
    9,946,718.50x = 47,970,026,973,005.85
  5. Step 5: Solve for x
    x = 47,970,026,973,005.85/9,946,718.50
  6. Step 6: Final answer
    x = 4,822,698.76

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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.