Home / 13,169,186.56-19,852,485.59-12,291,324.76

Finding the Fourth Proportional to 13,169,186.56, 19,852,485.59 and 12,291,324.76

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Solution

The fourth proportional to 13,169,186.56, 19,852,485.59 and 12,291,324.76 is: 18,529,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,186.56 : 19,852,485.59 = 12,291,324.76 : x
  2. Step 2: Convert to fraction form
    13,169,186.56/19,852,485.59 = 12,291,324.76/x
  3. Step 3: Cross multiply
    13,169,186.56x = 19,852,485.59 × 12,291,324.76
  4. Step 4: Simplify right side
    13,169,186.56x = 244,013,347,679,910.19
  5. Step 5: Solve for x
    x = 244,013,347,679,910.19/13,169,186.56
  6. Step 6: Final answer
    x = 18,529,113.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.