Home / 18,131,088.40-27,190,295.16-5,348,199.76

Finding the Fourth Proportional to 18,131,088.40, 27,190,295.16 and 5,348,199.76

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Solution

The fourth proportional to 18,131,088.40, 27,190,295.16 and 5,348,199.76 is: 8,020,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,088.40 : 27,190,295.16 = 5,348,199.76 : x
  2. Step 2: Convert to fraction form
    18,131,088.40/27,190,295.16 = 5,348,199.76/x
  3. Step 3: Cross multiply
    18,131,088.40x = 27,190,295.16 × 5,348,199.76
  4. Step 4: Simplify right side
    18,131,088.40x = 145,419,130,049,041.16
  5. Step 5: Solve for x
    x = 145,419,130,049,041.16/18,131,088.40
  6. Step 6: Final answer
    x = 8,020,430.26

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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.