Home / 9,042,961.83-12,479,428.95-4,913,074.77

Finding the Fourth Proportional to 9,042,961.83, 12,479,428.95 and 4,913,074.77

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Solution

The fourth proportional to 9,042,961.83, 12,479,428.95 and 4,913,074.77 is: 6,780,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,961.83 : 12,479,428.95 = 4,913,074.77 : x
  2. Step 2: Convert to fraction form
    9,042,961.83/12,479,428.95 = 4,913,074.77/x
  3. Step 3: Cross multiply
    9,042,961.83x = 12,479,428.95 × 4,913,074.77
  4. Step 4: Simplify right side
    9,042,961.83x = 61,312,367,518,252.59
  5. Step 5: Solve for x
    x = 61,312,367,518,252.59/9,042,961.83
  6. Step 6: Final answer
    x = 6,780,120.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.