Home / 40,328,821.20-60,493,231.80-13,402,477.20

Finding the Fourth Proportional to 40,328,821.20, 60,493,231.80 and 13,402,477.20

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Solution

The fourth proportional to 40,328,821.20, 60,493,231.80 and 13,402,477.20 is: 20,103,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328,821.20 : 60,493,231.80 = 13,402,477.20 : x
  2. Step 2: Convert to fraction form
    40,328,821.20/60,493,231.80 = 13,402,477.20/x
  3. Step 3: Cross multiply
    40,328,821.20x = 60,493,231.80 × 13,402,477.20
  4. Step 4: Simplify right side
    40,328,821.20x = 810,759,159,953,814.88
  5. Step 5: Solve for x
    x = 810,759,159,953,814.88/40,328,821.20
  6. Step 6: Final answer
    x = 20,103,715.80

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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.