Home / 12,163,807.45-16,696,639.78-10,756,312.57

Finding the Fourth Proportional to 12,163,807.45, 16,696,639.78 and 10,756,312.57

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Solution

The fourth proportional to 12,163,807.45, 16,696,639.78 and 10,756,312.57 is: 14,764,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163,807.45 : 16,696,639.78 = 10,756,312.57 : x
  2. Step 2: Convert to fraction form
    12,163,807.45/16,696,639.78 = 10,756,312.57/x
  3. Step 3: Cross multiply
    12,163,807.45x = 16,696,639.78 × 10,756,312.57
  4. Step 4: Simplify right side
    12,163,807.45x = 179,594,276,366,613.53
  5. Step 5: Solve for x
    x = 179,594,276,366,613.53/12,163,807.45
  6. Step 6: Final answer
    x = 14,764,643.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.