Home / 12,384,479.69-18,569,360.32-4,708,686.39

Finding the Fourth Proportional to 12,384,479.69, 18,569,360.32 and 4,708,686.39

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Solution

The fourth proportional to 12,384,479.69, 18,569,360.32 and 4,708,686.39 is: 7,060,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,479.69 : 18,569,360.32 = 4,708,686.39 : x
  2. Step 2: Convert to fraction form
    12,384,479.69/18,569,360.32 = 4,708,686.39/x
  3. Step 3: Cross multiply
    12,384,479.69x = 18,569,360.32 × 4,708,686.39
  4. Step 4: Simplify right side
    12,384,479.69x = 87,437,294,256,213.45
  5. Step 5: Solve for x
    x = 87,437,294,256,213.45/12,384,479.69
  6. Step 6: Final answer
    x = 7,060,231.55

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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.