Home / 12,185,855.87-16,818,203.48-7,541,136.87

Finding the Fourth Proportional to 12,185,855.87, 16,818,203.48 and 7,541,136.87

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Solution

The fourth proportional to 12,185,855.87, 16,818,203.48 and 7,541,136.87 is: 10,407,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,855.87 : 16,818,203.48 = 7,541,136.87 : x
  2. Step 2: Convert to fraction form
    12,185,855.87/16,818,203.48 = 7,541,136.87/x
  3. Step 3: Cross multiply
    12,185,855.87x = 16,818,203.48 × 7,541,136.87
  4. Step 4: Simplify right side
    12,185,855.87x = 126,828,374,411,303.58
  5. Step 5: Solve for x
    x = 126,828,374,411,303.58/12,185,855.87
  6. Step 6: Final answer
    x = 10,407,834.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.