Home / 14,156,730.80-21,219,349.80-7,771,565.60

Finding the Fourth Proportional to 14,156,730.80, 21,219,349.80 and 7,771,565.60

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Solution

The fourth proportional to 14,156,730.80, 21,219,349.80 and 7,771,565.60 is: 11,648,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,730.80 : 21,219,349.80 = 7,771,565.60 : x
  2. Step 2: Convert to fraction form
    14,156,730.80/21,219,349.80 = 7,771,565.60/x
  3. Step 3: Cross multiply
    14,156,730.80x = 21,219,349.80 × 7,771,565.60
  4. Step 4: Simplify right side
    14,156,730.80x = 164,907,568,960,046.88
  5. Step 5: Solve for x
    x = 164,907,568,960,046.88/14,156,730.80
  6. Step 6: Final answer
    x = 11,648,704.16

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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.