Home / 15,125,536.74-20,875,005.38-8,600,143.94

Finding the Fourth Proportional to 15,125,536.74, 20,875,005.38 and 8,600,143.94

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Solution

The fourth proportional to 15,125,536.74, 20,875,005.38 and 8,600,143.94 is: 11,869,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,536.74 : 20,875,005.38 = 8,600,143.94 : x
  2. Step 2: Convert to fraction form
    15,125,536.74/20,875,005.38 = 8,600,143.94/x
  3. Step 3: Cross multiply
    15,125,536.74x = 20,875,005.38 × 8,600,143.94
  4. Step 4: Simplify right side
    15,125,536.74x = 179,528,051,016,274.38
  5. Step 5: Solve for x
    x = 179,528,051,016,274.38/15,125,536.74
  6. Step 6: Final answer
    x = 11,869,202.01

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1.5x scale

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.