Home / 21,041,430.36-31,534,243.07-10,805,876.70

Finding the Fourth Proportional to 21,041,430.36, 31,534,243.07 and 10,805,876.70

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Solution

The fourth proportional to 21,041,430.36, 31,534,243.07 and 10,805,876.70 is: 16,194,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,430.36 : 31,534,243.07 = 10,805,876.70 : x
  2. Step 2: Convert to fraction form
    21,041,430.36/31,534,243.07 = 10,805,876.70/x
  3. Step 3: Cross multiply
    21,041,430.36x = 31,534,243.07 × 10,805,876.70
  4. Step 4: Simplify right side
    21,041,430.36x = 340,755,142,388,220.06
  5. Step 5: Solve for x
    x = 340,755,142,388,220.06/21,041,430.36
  6. Step 6: Final answer
    x = 16,194,485.67

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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.