Home / 13,122,913.20-19,684,369.80-8,839,892.40

Finding the Fourth Proportional to 13,122,913.20, 19,684,369.80 and 8,839,892.40

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Solution

The fourth proportional to 13,122,913.20, 19,684,369.80 and 8,839,892.40 is: 13,259,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,913.20 : 19,684,369.80 = 8,839,892.40 : x
  2. Step 2: Convert to fraction form
    13,122,913.20/19,684,369.80 = 8,839,892.40/x
  3. Step 3: Cross multiply
    13,122,913.20x = 19,684,369.80 × 8,839,892.40
  4. Step 4: Simplify right side
    13,122,913.20x = 174,007,710,993,809.53
  5. Step 5: Solve for x
    x = 174,007,710,993,809.53/13,122,913.20
  6. Step 6: Final answer
    x = 13,259,838.60

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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.