Home / 12,407,482.40-18,611,230.08-3,888,482.36

Finding the Fourth Proportional to 12,407,482.40, 18,611,230.08 and 3,888,482.36

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Solution

The fourth proportional to 12,407,482.40, 18,611,230.08 and 3,888,482.36 is: 5,832,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407,482.40 : 18,611,230.08 = 3,888,482.36 : x
  2. Step 2: Convert to fraction form
    12,407,482.40/18,611,230.08 = 3,888,482.36/x
  3. Step 3: Cross multiply
    12,407,482.40x = 18,611,230.08 × 3,888,482.36
  4. Step 4: Simplify right side
    12,407,482.40x = 72,369,439,863,981.38
  5. Step 5: Solve for x
    x = 72,369,439,863,981.38/12,407,482.40
  6. Step 6: Final answer
    x = 5,832,725.57

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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.