Home / 12,997,701.35-17,937,388.22-7,196,482.92

Finding the Fourth Proportional to 12,997,701.35, 17,937,388.22 and 7,196,482.92

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Solution

The fourth proportional to 12,997,701.35, 17,937,388.22 and 7,196,482.92 is: 9,931,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,701.35 : 17,937,388.22 = 7,196,482.92 : x
  2. Step 2: Convert to fraction form
    12,997,701.35/17,937,388.22 = 7,196,482.92/x
  3. Step 3: Cross multiply
    12,997,701.35x = 17,937,388.22 × 7,196,482.92
  4. Step 4: Simplify right side
    12,997,701.35x = 129,086,107,918,656.78
  5. Step 5: Solve for x
    x = 129,086,107,918,656.78/12,997,701.35
  6. Step 6: Final answer
    x = 9,931,456.69

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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.