Home / 11,153,131.38-15,390,072.09-6,257,335.05

Finding the Fourth Proportional to 11,153,131.38, 15,390,072.09 and 6,257,335.05

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Solution

The fourth proportional to 11,153,131.38, 15,390,072.09 and 6,257,335.05 is: 8,634,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,131.38 : 15,390,072.09 = 6,257,335.05 : x
  2. Step 2: Convert to fraction form
    11,153,131.38/15,390,072.09 = 6,257,335.05/x
  3. Step 3: Cross multiply
    11,153,131.38x = 15,390,072.09 × 6,257,335.05
  4. Step 4: Simplify right side
    11,153,131.38x = 96,300,837,510,783.75
  5. Step 5: Solve for x
    x = 96,300,837,510,783.75/11,153,131.38
  6. Step 6: Final answer
    x = 8,634,421.51

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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.