Home / 7,856,730.39-11,781,659.98-3,963,792.45

Finding the Fourth Proportional to 7,856,730.39, 11,781,659.98 and 3,963,792.45

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Solution

The fourth proportional to 7,856,730.39, 11,781,659.98 and 3,963,792.45 is: 5,943,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,730.39 : 11,781,659.98 = 3,963,792.45 : x
  2. Step 2: Convert to fraction form
    7,856,730.39/11,781,659.98 = 3,963,792.45/x
  3. Step 3: Cross multiply
    7,856,730.39x = 11,781,659.98 × 3,963,792.45
  4. Step 4: Simplify right side
    7,856,730.39x = 46,700,054,877,191.16
  5. Step 5: Solve for x
    x = 46,700,054,877,191.16/7,856,730.39
  6. Step 6: Final answer
    x = 5,943,955.38

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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.