Home / 13,431,186.40-20,103,914.40-10,596,834.40

Finding the Fourth Proportional to 13,431,186.40, 20,103,914.40 and 10,596,834.40

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Solution

The fourth proportional to 13,431,186.40, 20,103,914.40 and 10,596,834.40 is: 15,861,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,186.40 : 20,103,914.40 = 10,596,834.40 : x
  2. Step 2: Convert to fraction form
    13,431,186.40/20,103,914.40 = 10,596,834.40/x
  3. Step 3: Cross multiply
    13,431,186.40x = 20,103,914.40 × 10,596,834.40
  4. Step 4: Simplify right side
    13,431,186.40x = 213,037,851,688,575.34
  5. Step 5: Solve for x
    x = 213,037,851,688,575.34/13,431,186.40
  6. Step 6: Final answer
    x = 15,861,432.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.