Home / 8,788,617.65-12,128,389.37-4,868,433.83

Finding the Fourth Proportional to 8,788,617.65, 12,128,389.37 and 4,868,433.83

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Solution

The fourth proportional to 8,788,617.65, 12,128,389.37 and 4,868,433.83 is: 6,718,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,617.65 : 12,128,389.37 = 4,868,433.83 : x
  2. Step 2: Convert to fraction form
    8,788,617.65/12,128,389.37 = 4,868,433.83/x
  3. Step 3: Cross multiply
    8,788,617.65x = 12,128,389.37 × 4,868,433.83
  4. Step 4: Simplify right side
    8,788,617.65x = 59,046,261,027,336.27
  5. Step 5: Solve for x
    x = 59,046,261,027,336.27/8,788,617.65
  6. Step 6: Final answer
    x = 6,718,492.42

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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.