Home / 9,697,780.50-13,391,587.80-9,238,379.28

Finding the Fourth Proportional to 9,697,780.50, 13,391,587.80 and 9,238,379.28

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Solution

The fourth proportional to 9,697,780.50, 13,391,587.80 and 9,238,379.28 is: 12,757,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,697,780.50 : 13,391,587.80 = 9,238,379.28 : x
  2. Step 2: Convert to fraction form
    9,697,780.50/13,391,587.80 = 9,238,379.28/x
  3. Step 3: Cross multiply
    9,697,780.50x = 13,391,587.80 × 9,238,379.28
  4. Step 4: Simplify right side
    9,697,780.50x = 123,716,567,257,820.78
  5. Step 5: Solve for x
    x = 123,716,567,257,820.78/9,697,780.50
  6. Step 6: Final answer
    x = 12,757,204.32

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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.