Home / 8,639,345.23-12,960,950.77-3,248,042.37

Finding the Fourth Proportional to 8,639,345.23, 12,960,950.77 and 3,248,042.37

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Solution

The fourth proportional to 8,639,345.23, 12,960,950.77 and 3,248,042.37 is: 4,872,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,345.23 : 12,960,950.77 = 3,248,042.37 : x
  2. Step 2: Convert to fraction form
    8,639,345.23/12,960,950.77 = 3,248,042.37/x
  3. Step 3: Cross multiply
    8,639,345.23x = 12,960,950.77 × 3,248,042.37
  4. Step 4: Simplify right side
    8,639,345.23x = 42,097,717,211,900.61
  5. Step 5: Solve for x
    x = 42,097,717,211,900.61/8,639,345.23
  6. Step 6: Final answer
    x = 4,872,790.25

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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.