Home / 14,374,214.82-19,836,312.72-7,847,844.25

Finding the Fourth Proportional to 14,374,214.82, 19,836,312.72 and 7,847,844.25

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Solution

The fourth proportional to 14,374,214.82, 19,836,312.72 and 7,847,844.25 is: 10,829,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374,214.82 : 19,836,312.72 = 7,847,844.25 : x
  2. Step 2: Convert to fraction form
    14,374,214.82/19,836,312.72 = 7,847,844.25/x
  3. Step 3: Cross multiply
    14,374,214.82x = 19,836,312.72 × 7,847,844.25
  4. Step 4: Simplify right side
    14,374,214.82x = 155,672,292,828,920.47
  5. Step 5: Solve for x
    x = 155,672,292,828,920.47/14,374,214.82
  6. Step 6: Final answer
    x = 10,829,968.44

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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.