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Finding the Fourth Proportional to 14,273,567.13, 19,696,994.93 and 7,747,056.48

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Solution

The fourth proportional to 14,273,567.13, 19,696,994.93 and 7,747,056.48 is: 10,690,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273,567.13 : 19,696,994.93 = 7,747,056.48 : x
  2. Step 2: Convert to fraction form
    14,273,567.13/19,696,994.93 = 7,747,056.48/x
  3. Step 3: Cross multiply
    14,273,567.13x = 19,696,994.93 × 7,747,056.48
  4. Step 4: Simplify right side
    14,273,567.13x = 152,593,732,208,983.66
  5. Step 5: Solve for x
    x = 152,593,732,208,983.66/14,273,567.13
  6. Step 6: Final answer
    x = 10,690,651.53

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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.