Home / 40,372,407.80-60,558,611.70-18,849,047.30

Finding the Fourth Proportional to 40,372,407.80, 60,558,611.70 and 18,849,047.30

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Solution

The fourth proportional to 40,372,407.80, 60,558,611.70 and 18,849,047.30 is: 28,273,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372,407.80 : 60,558,611.70 = 18,849,047.30 : x
  2. Step 2: Convert to fraction form
    40,372,407.80/60,558,611.70 = 18,849,047.30/x
  3. Step 3: Cross multiply
    40,372,407.80x = 60,558,611.70 × 18,849,047.30
  4. Step 4: Simplify right side
    40,372,407.80x = 1,141,472,136,355,633.50
  5. Step 5: Solve for x
    x = 1,141,472,136,355,633.50/40,372,407.80
  6. Step 6: Final answer
    x = 28,273,570.95

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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.