Home / 18,685,041.08-25,785,320.88-10,424,611.82

Finding the Fourth Proportional to 18,685,041.08, 25,785,320.88 and 10,424,611.82

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Solution

The fourth proportional to 18,685,041.08, 25,785,320.88 and 10,424,611.82 is: 14,385,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,041.08 : 25,785,320.88 = 10,424,611.82 : x
  2. Step 2: Convert to fraction form
    18,685,041.08/25,785,320.88 = 10,424,611.82/x
  3. Step 3: Cross multiply
    18,685,041.08x = 25,785,320.88 × 10,424,611.82
  4. Step 4: Simplify right side
    18,685,041.08x = 268,801,960,828,140.81
  5. Step 5: Solve for x
    x = 268,801,960,828,140.81/18,685,041.08
  6. Step 6: Final answer
    x = 14,385,944.33

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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.