Home / 14,617,902.96-20,174,868-8,421,769.92

Finding the Fourth Proportional to 14,617,902.96, 20,174,868 and 8,421,769.92

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Solution

The fourth proportional to 14,617,902.96, 20,174,868 and 8,421,769.92 is: 11,623,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617,902.96 : 20,174,868 = 8,421,769.92 : x
  2. Step 2: Convert to fraction form
    14,617,902.96/20,174,868 = 8,421,769.92/x
  3. Step 3: Cross multiply
    14,617,902.96x = 20,174,868 × 8,421,769.92
  4. Step 4: Simplify right side
    14,617,902.96x = 169,908,096,462,370.56
  5. Step 5: Solve for x
    x = 169,908,096,462,370.56/14,617,902.96
  6. Step 6: Final answer
    x = 11,623,288.03

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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.