Home / 11,900,818.55-16,429,875.96-9,104,683.16

Finding the Fourth Proportional to 11,900,818.55, 16,429,875.96 and 9,104,683.16

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Solution

The fourth proportional to 11,900,818.55, 16,429,875.96 and 9,104,683.16 is: 12,569,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900,818.55 : 16,429,875.96 = 9,104,683.16 : x
  2. Step 2: Convert to fraction form
    11,900,818.55/16,429,875.96 = 9,104,683.16/x
  3. Step 3: Cross multiply
    11,900,818.55x = 16,429,875.96 × 9,104,683.16
  4. Step 4: Simplify right side
    11,900,818.55x = 149,588,814,891,751.44
  5. Step 5: Solve for x
    x = 149,588,814,891,751.44/11,900,818.55
  6. Step 6: Final answer
    x = 12,569,624.04

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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.