Home / 12,997,635.90-17,937,297.99-7,196,417.47

Finding the Fourth Proportional to 12,997,635.90, 17,937,297.99 and 7,196,417.47

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Solution

The fourth proportional to 12,997,635.90, 17,937,297.99 and 7,196,417.47 is: 9,931,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,635.90 : 17,937,297.99 = 7,196,417.47 : x
  2. Step 2: Convert to fraction form
    12,997,635.90/17,937,297.99 = 7,196,417.47/x
  3. Step 3: Cross multiply
    12,997,635.90x = 17,937,297.99 × 7,196,417.47
  4. Step 4: Simplify right side
    12,997,635.90x = 129,084,284,637,126.05
  5. Step 5: Solve for x
    x = 129,084,284,637,126.05/12,997,635.90
  6. Step 6: Final answer
    x = 9,931,366.41

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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.