Home / 12,128,800.24-16,739,212.02-6,903,078.98

Finding the Fourth Proportional to 12,128,800.24, 16,739,212.02 and 6,903,078.98

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Solution

The fourth proportional to 12,128,800.24, 16,739,212.02 and 6,903,078.98 is: 9,527,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,800.24 : 16,739,212.02 = 6,903,078.98 : x
  2. Step 2: Convert to fraction form
    12,128,800.24/16,739,212.02 = 6,903,078.98/x
  3. Step 3: Cross multiply
    12,128,800.24x = 16,739,212.02 × 6,903,078.98
  4. Step 4: Simplify right side
    12,128,800.24x = 115,552,102,637,025.34
  5. Step 5: Solve for x
    x = 115,552,102,637,025.34/12,128,800.24
  6. Step 6: Final answer
    x = 9,527,084.33

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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.