Home / 15,125,535.74-20,875,004.00-8,600,142.94

Finding the Fourth Proportional to 15,125,535.74, 20,875,004.00 and 8,600,142.94

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Solution

The fourth proportional to 15,125,535.74, 20,875,004.00 and 8,600,142.94 is: 11,869,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,535.74 : 20,875,004.00 = 8,600,142.94 : x
  2. Step 2: Convert to fraction form
    15,125,535.74/20,875,004.00 = 8,600,142.94/x
  3. Step 3: Cross multiply
    15,125,535.74x = 20,875,004.00 × 8,600,142.94
  4. Step 4: Simplify right side
    15,125,535.74x = 179,528,018,210,134.09
  5. Step 5: Solve for x
    x = 179,528,018,210,134.09/15,125,535.74
  6. Step 6: Final answer
    x = 11,869,200.62

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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.