Home / 12,154,506.74-16,771,357.28-6,996,871.83

Finding the Fourth Proportional to 12,154,506.74, 16,771,357.28 and 6,996,871.83

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Solution

The fourth proportional to 12,154,506.74, 16,771,357.28 and 6,996,871.83 is: 9,654,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,506.74 : 16,771,357.28 = 6,996,871.83 : x
  2. Step 2: Convert to fraction form
    12,154,506.74/16,771,357.28 = 6,996,871.83/x
  3. Step 3: Cross multiply
    12,154,506.74x = 16,771,357.28 × 6,996,871.83
  4. Step 4: Simplify right side
    12,154,506.74x = 117,347,037,268,313.06
  5. Step 5: Solve for x
    x = 117,347,037,268,313.06/12,154,506.74
  6. Step 6: Final answer
    x = 9,654,611.23

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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.