Home / 14,688,381.68-20,269,562.28-8,161,842.32

Finding the Fourth Proportional to 14,688,381.68, 20,269,562.28 and 8,161,842.32

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Solution

The fourth proportional to 14,688,381.68, 20,269,562.28 and 8,161,842.32 is: 11,263,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,381.68 : 20,269,562.28 = 8,161,842.32 : x
  2. Step 2: Convert to fraction form
    14,688,381.68/20,269,562.28 = 8,161,842.32/x
  3. Step 3: Cross multiply
    14,688,381.68x = 20,269,562.28 × 8,161,842.32
  4. Step 4: Simplify right side
    14,688,381.68x = 165,436,971,224,779.72
  5. Step 5: Solve for x
    x = 165,436,971,224,779.72/14,688,381.68
  6. Step 6: Final answer
    x = 11,263,117.67

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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.