Home / 21,130,499.34-29,160,809.94-11,838,461.22

Finding the Fourth Proportional to 21,130,499.34, 29,160,809.94 and 11,838,461.22

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Solution

The fourth proportional to 21,130,499.34, 29,160,809.94 and 11,838,461.22 is: 16,337,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130,499.34 : 29,160,809.94 = 11,838,461.22 : x
  2. Step 2: Convert to fraction form
    21,130,499.34/29,160,809.94 = 11,838,461.22/x
  3. Step 3: Cross multiply
    21,130,499.34x = 29,160,809.94 × 11,838,461.22
  4. Step 4: Simplify right side
    21,130,499.34x = 345,219,117,618,480.56
  5. Step 5: Solve for x
    x = 345,219,117,618,480.56/21,130,499.34
  6. Step 6: Final answer
    x = 16,337,480.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.