Home / 9,056,838.71-12,516,369.95-7,422,668.57

Finding the Fourth Proportional to 9,056,838.71, 12,516,369.95 and 7,422,668.57

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Solution

The fourth proportional to 9,056,838.71, 12,516,369.95 and 7,422,668.57 is: 10,257,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,056,838.71 : 12,516,369.95 = 7,422,668.57 : x
  2. Step 2: Convert to fraction form
    9,056,838.71/12,516,369.95 = 7,422,668.57/x
  3. Step 3: Cross multiply
    9,056,838.71x = 12,516,369.95 × 7,422,668.57
  4. Step 4: Simplify right side
    9,056,838.71x = 92,904,865,838,357.47
  5. Step 5: Solve for x
    x = 92,904,865,838,357.47/9,056,838.71
  6. Step 6: Final answer
    x = 10,257,979.50

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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.