Home / 12,997,249.03-17,937,407.24-7,196,030.88

Finding the Fourth Proportional to 12,997,249.03, 17,937,407.24 and 7,196,030.88

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Solution

The fourth proportional to 12,997,249.03, 17,937,407.24 and 7,196,030.88 is: 9,931,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,249.03 : 17,937,407.24 = 7,196,030.88 : x
  2. Step 2: Convert to fraction form
    12,997,249.03/17,937,407.24 = 7,196,030.88/x
  3. Step 3: Cross multiply
    12,997,249.03x = 17,937,407.24 × 7,196,030.88
  4. Step 4: Simplify right side
    12,997,249.03x = 129,078,136,406,175.56
  5. Step 5: Solve for x
    x = 129,078,136,406,175.56/12,997,249.03
  6. Step 6: Final answer
    x = 9,931,188.99

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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.