Home / 21,712,999.44-29,961,818.32-12,545,445.36

Finding the Fourth Proportional to 21,712,999.44, 29,961,818.32 and 12,545,445.36

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Solution

The fourth proportional to 21,712,999.44, 29,961,818.32 and 12,545,445.36 is: 17,311,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,999.44 : 29,961,818.32 = 12,545,445.36 : x
  2. Step 2: Convert to fraction form
    21,712,999.44/29,961,818.32 = 12,545,445.36/x
  3. Step 3: Cross multiply
    21,712,999.44x = 29,961,818.32 × 12,545,445.36
  4. Step 4: Simplify right side
    21,712,999.44x = 375,884,354,619,807
  5. Step 5: Solve for x
    x = 375,884,354,619,807/21,712,999.44
  6. Step 6: Final answer
    x = 17,311,489.17

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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.