Home / 14,580,018.80-21,870,028.20-13,871,430.80

Finding the Fourth Proportional to 14,580,018.80, 21,870,028.20 and 13,871,430.80

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Solution

The fourth proportional to 14,580,018.80, 21,870,028.20 and 13,871,430.80 is: 20,807,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,018.80 : 21,870,028.20 = 13,871,430.80 : x
  2. Step 2: Convert to fraction form
    14,580,018.80/21,870,028.20 = 13,871,430.80/x
  3. Step 3: Cross multiply
    14,580,018.80x = 21,870,028.20 × 13,871,430.80
  4. Step 4: Simplify right side
    14,580,018.80x = 303,368,582,770,348.56
  5. Step 5: Solve for x
    x = 303,368,582,770,348.56/14,580,018.80
  6. Step 6: Final answer
    x = 20,807,146.20

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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.