Home / 13,345,886.19-20,005,083.99-5,255,582.70

Finding the Fourth Proportional to 13,345,886.19, 20,005,083.99 and 5,255,582.70

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Solution

The fourth proportional to 13,345,886.19, 20,005,083.99 and 5,255,582.70 is: 7,877,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,886.19 : 20,005,083.99 = 5,255,582.70 : x
  2. Step 2: Convert to fraction form
    13,345,886.19/20,005,083.99 = 5,255,582.70/x
  3. Step 3: Cross multiply
    13,345,886.19x = 20,005,083.99 × 5,255,582.70
  4. Step 4: Simplify right side
    13,345,886.19x = 105,138,373,329,890.97
  5. Step 5: Solve for x
    x = 105,138,373,329,890.97/13,345,886.19
  6. Step 6: Final answer
    x = 7,877,961.18

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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.