Home / 21,115,625.34-31,673,543.47-7,468,784.29

Finding the Fourth Proportional to 21,115,625.34, 31,673,543.47 and 7,468,784.29

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Solution

The fourth proportional to 21,115,625.34, 31,673,543.47 and 7,468,784.29 is: 11,203,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,115,625.34 : 31,673,543.47 = 7,468,784.29 : x
  2. Step 2: Convert to fraction form
    21,115,625.34/31,673,543.47 = 7,468,784.29/x
  3. Step 3: Cross multiply
    21,115,625.34x = 31,673,543.47 × 7,468,784.29
  4. Step 4: Simplify right side
    21,115,625.34x = 236,562,863,877,368.09
  5. Step 5: Solve for x
    x = 236,562,863,877,368.09/21,115,625.34
  6. Step 6: Final answer
    x = 11,203,213.74

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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.