Home / 15,037,119.73-20,747,667.09-8,510,749.38

Finding the Fourth Proportional to 15,037,119.73, 20,747,667.09 and 8,510,749.38

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Solution

The fourth proportional to 15,037,119.73, 20,747,667.09 and 8,510,749.38 is: 11,742,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,119.73 : 20,747,667.09 = 8,510,749.38 : x
  2. Step 2: Convert to fraction form
    15,037,119.73/20,747,667.09 = 8,510,749.38/x
  3. Step 3: Cross multiply
    15,037,119.73x = 20,747,667.09 × 8,510,749.38
  4. Step 4: Simplify right side
    15,037,119.73x = 176,578,194,822,663.91
  5. Step 5: Solve for x
    x = 176,578,194,822,663.91/15,037,119.73
  6. Step 6: Final answer
    x = 11,742,820.30

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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.