Home / 7,911,984.96-11,870,107.98-4,071,714.72

Finding the Fourth Proportional to 7,911,984.96, 11,870,107.98 and 4,071,714.72

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Solution

The fourth proportional to 7,911,984.96, 11,870,107.98 and 4,071,714.72 is: 6,108,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,984.96 : 11,870,107.98 = 4,071,714.72 : x
  2. Step 2: Convert to fraction form
    7,911,984.96/11,870,107.98 = 4,071,714.72/x
  3. Step 3: Cross multiply
    7,911,984.96x = 11,870,107.98 × 4,071,714.72
  4. Step 4: Simplify right side
    7,911,984.96x = 48,331,693,390,155.47
  5. Step 5: Solve for x
    x = 48,331,693,390,155.47/7,911,984.96
  6. Step 6: Final answer
    x = 6,108,668.51

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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.