Home / 18,424,920.54-27,636,384.41-5,645,462.25

Finding the Fourth Proportional to 18,424,920.54, 27,636,384.41 and 5,645,462.25

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Solution

The fourth proportional to 18,424,920.54, 27,636,384.41 and 5,645,462.25 is: 8,467,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,920.54 : 27,636,384.41 = 5,645,462.25 : x
  2. Step 2: Convert to fraction form
    18,424,920.54/27,636,384.41 = 5,645,462.25/x
  3. Step 3: Cross multiply
    18,424,920.54x = 27,636,384.41 × 5,645,462.25
  4. Step 4: Simplify right side
    18,424,920.54x = 156,020,164,913,143.53
  5. Step 5: Solve for x
    x = 156,020,164,913,143.53/18,424,920.54
  6. Step 6: Final answer
    x = 8,467,888.07

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1.5x scale

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.