Home / 14,788,983.97-20,405,298.76-8,590,348

Finding the Fourth Proportional to 14,788,983.97, 20,405,298.76 and 8,590,348

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Solution

The fourth proportional to 14,788,983.97, 20,405,298.76 and 8,590,348 is: 11,852,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788,983.97 : 20,405,298.76 = 8,590,348 : x
  2. Step 2: Convert to fraction form
    14,788,983.97/20,405,298.76 = 8,590,348/x
  3. Step 3: Cross multiply
    14,788,983.97x = 20,405,298.76 × 8,590,348
  4. Step 4: Simplify right side
    14,788,983.97x = 175,288,617,392,368.50
  5. Step 5: Solve for x
    x = 175,288,617,392,368.50/14,788,983.97
  6. Step 6: Final answer
    x = 11,852,647.74

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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.