Home / 21,051,239.04-29,049,088.32-11,884,786.56

Finding the Fourth Proportional to 21,051,239.04, 29,049,088.32 and 11,884,786.56

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Solution

The fourth proportional to 21,051,239.04, 29,049,088.32 and 11,884,786.56 is: 16,400,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,239.04 : 29,049,088.32 = 11,884,786.56 : x
  2. Step 2: Convert to fraction form
    21,051,239.04/29,049,088.32 = 11,884,786.56/x
  3. Step 3: Cross multiply
    21,051,239.04x = 29,049,088.32 × 11,884,786.56
  4. Step 4: Simplify right side
    21,051,239.04x = 345,242,214,445,789
  5. Step 5: Solve for x
    x = 345,242,214,445,789/21,051,239.04
  6. Step 6: Final answer
    x = 16,400,089.98

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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.