Home / 12,896,748.72-19,347,485.04-5,319,581.04

Finding the Fourth Proportional to 12,896,748.72, 19,347,485.04 and 5,319,581.04

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Solution

The fourth proportional to 12,896,748.72, 19,347,485.04 and 5,319,581.04 is: 7,980,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,748.72 : 19,347,485.04 = 5,319,581.04 : x
  2. Step 2: Convert to fraction form
    12,896,748.72/19,347,485.04 = 5,319,581.04/x
  3. Step 3: Cross multiply
    12,896,748.72x = 19,347,485.04 × 5,319,581.04
  4. Step 4: Simplify right side
    12,896,748.72x = 102,920,514,590,467.64
  5. Step 5: Solve for x
    x = 102,920,514,590,467.64/12,896,748.72
  6. Step 6: Final answer
    x = 7,980,345.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.