Home / 7,385,468.40-11,071,981.80-3,839,612.40

Finding the Fourth Proportional to 7,385,468.40, 11,071,981.80 and 3,839,612.40

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Solution

The fourth proportional to 7,385,468.40, 11,071,981.80 and 3,839,612.40 is: 5,756,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385,468.40 : 11,071,981.80 = 3,839,612.40 : x
  2. Step 2: Convert to fraction form
    7,385,468.40/11,071,981.80 = 3,839,612.40/x
  3. Step 3: Cross multiply
    7,385,468.40x = 11,071,981.80 × 3,839,612.40
  4. Step 4: Simplify right side
    7,385,468.40x = 42,512,118,611,854.32
  5. Step 5: Solve for x
    x = 42,512,118,611,854.32/7,385,468.40
  6. Step 6: Final answer
    x = 5,756,184.48

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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.