Home / 15,389,189.42-21,237,706.59-8,513,553.02

Finding the Fourth Proportional to 15,389,189.42, 21,237,706.59 and 8,513,553.02

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Solution

The fourth proportional to 15,389,189.42, 21,237,706.59 and 8,513,553.02 is: 11,749,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389,189.42 : 21,237,706.59 = 8,513,553.02 : x
  2. Step 2: Convert to fraction form
    15,389,189.42/21,237,706.59 = 8,513,553.02/x
  3. Step 3: Cross multiply
    15,389,189.42x = 21,237,706.59 × 8,513,553.02
  4. Step 4: Simplify right side
    15,389,189.42x = 180,808,341,077,168.41
  5. Step 5: Solve for x
    x = 180,808,341,077,168.41/15,389,189.42
  6. Step 6: Final answer
    x = 11,749,049.03

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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.