Home / 12,663,253.50-18,903,186.92-11,130,997.56

Finding the Fourth Proportional to 12,663,253.50, 18,903,186.92 and 11,130,997.56

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Solution

The fourth proportional to 12,663,253.50, 18,903,186.92 and 11,130,997.56 is: 16,615,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,253.50 : 18,903,186.92 = 11,130,997.56 : x
  2. Step 2: Convert to fraction form
    12,663,253.50/18,903,186.92 = 11,130,997.56/x
  3. Step 3: Cross multiply
    12,663,253.50x = 18,903,186.92 × 11,130,997.56
  4. Step 4: Simplify right side
    12,663,253.50x = 210,411,327,427,088.94
  5. Step 5: Solve for x
    x = 210,411,327,427,088.94/12,663,253.50
  6. Step 6: Final answer
    x = 16,615,897.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.