Home / 15,613,450.63-21,548,172.09-8,998,271.35

Finding the Fourth Proportional to 15,613,450.63, 21,548,172.09 and 8,998,271.35

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Solution

The fourth proportional to 15,613,450.63, 21,548,172.09 and 8,998,271.35 is: 12,418,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,450.63 : 21,548,172.09 = 8,998,271.35 : x
  2. Step 2: Convert to fraction form
    15,613,450.63/21,548,172.09 = 8,998,271.35/x
  3. Step 3: Cross multiply
    15,613,450.63x = 21,548,172.09 × 8,998,271.35
  4. Step 4: Simplify right side
    15,613,450.63x = 193,896,299,562,316.62
  5. Step 5: Solve for x
    x = 193,896,299,562,316.62/15,613,450.63
  6. Step 6: Final answer
    x = 12,418,542.46

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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.