Home / 14,569,718.90-20,105,685.41-8,043,208.50

Finding the Fourth Proportional to 14,569,718.90, 20,105,685.41 and 8,043,208.50

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Solution

The fourth proportional to 14,569,718.90, 20,105,685.41 and 8,043,208.50 is: 11,099,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,718.90 : 20,105,685.41 = 8,043,208.50 : x
  2. Step 2: Convert to fraction form
    14,569,718.90/20,105,685.41 = 8,043,208.50/x
  3. Step 3: Cross multiply
    14,569,718.90x = 20,105,685.41 × 8,043,208.50
  4. Step 4: Simplify right side
    14,569,718.90x = 161,714,219,788,038
  5. Step 5: Solve for x
    x = 161,714,219,788,038/14,569,718.90
  6. Step 6: Final answer
    x = 11,099,336.98

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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.