Home / 9,946,079.20-14,919,118.80-3,219,320.80

Finding the Fourth Proportional to 9,946,079.20, 14,919,118.80 and 3,219,320.80

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Solution

The fourth proportional to 9,946,079.20, 14,919,118.80 and 3,219,320.80 is: 4,828,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946,079.20 : 14,919,118.80 = 3,219,320.80 : x
  2. Step 2: Convert to fraction form
    9,946,079.20/14,919,118.80 = 3,219,320.80/x
  3. Step 3: Cross multiply
    9,946,079.20x = 14,919,118.80 × 3,219,320.80
  4. Step 4: Simplify right side
    9,946,079.20x = 48,029,429,470,511.04
  5. Step 5: Solve for x
    x = 48,029,429,470,511.04/9,946,079.20
  6. Step 6: Final answer
    x = 4,828,981.20

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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.