Home / 13,185,983.70-19,778,975.55-8,084,150.10

Finding the Fourth Proportional to 13,185,983.70, 19,778,975.55 and 8,084,150.10

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Solution

The fourth proportional to 13,185,983.70, 19,778,975.55 and 8,084,150.10 is: 12,126,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,983.70 : 19,778,975.55 = 8,084,150.10 : x
  2. Step 2: Convert to fraction form
    13,185,983.70/19,778,975.55 = 8,084,150.10/x
  3. Step 3: Cross multiply
    13,185,983.70x = 19,778,975.55 × 8,084,150.10
  4. Step 4: Simplify right side
    13,185,983.70x = 159,896,207,170,430.06
  5. Step 5: Solve for x
    x = 159,896,207,170,430.06/13,185,983.70
  6. Step 6: Final answer
    x = 12,126,225.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.