Home / 12,528,085.35-18,792,128.03-4,009,282.95

Finding the Fourth Proportional to 12,528,085.35, 18,792,128.03 and 4,009,282.95

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Solution

The fourth proportional to 12,528,085.35, 18,792,128.03 and 4,009,282.95 is: 6,013,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,085.35 : 18,792,128.03 = 4,009,282.95 : x
  2. Step 2: Convert to fraction form
    12,528,085.35/18,792,128.03 = 4,009,282.95/x
  3. Step 3: Cross multiply
    12,528,085.35x = 18,792,128.03 × 4,009,282.95
  4. Step 4: Simplify right side
    12,528,085.35x = 75,342,958,484,849.67
  5. Step 5: Solve for x
    x = 75,342,958,484,849.67/12,528,085.35
  6. Step 6: Final answer
    x = 6,013,924.43

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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.