Home / 14,380,465.90-19,845,472.68-7,854,403.22

Finding the Fourth Proportional to 14,380,465.90, 19,845,472.68 and 7,854,403.22

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Solution

The fourth proportional to 14,380,465.90, 19,845,472.68 and 7,854,403.22 is: 10,839,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380,465.90 : 19,845,472.68 = 7,854,403.22 : x
  2. Step 2: Convert to fraction form
    14,380,465.90/19,845,472.68 = 7,854,403.22/x
  3. Step 3: Cross multiply
    14,380,465.90x = 19,845,472.68 × 7,854,403.22
  4. Step 4: Simplify right side
    14,380,465.90x = 155,874,344,520,214.03
  5. Step 5: Solve for x
    x = 155,874,344,520,214.03/14,380,465.90
  6. Step 6: Final answer
    x = 10,839,311.16

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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.