Home / 12,746,104.61-19,127,128.53-5,173,070.36

Finding the Fourth Proportional to 12,746,104.61, 19,127,128.53 and 5,173,070.36

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Solution

The fourth proportional to 12,746,104.61, 19,127,128.53 and 5,173,070.36 is: 7,762,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746,104.61 : 19,127,128.53 = 5,173,070.36 : x
  2. Step 2: Convert to fraction form
    12,746,104.61/19,127,128.53 = 5,173,070.36/x
  3. Step 3: Cross multiply
    12,746,104.61x = 19,127,128.53 × 5,173,070.36
  4. Step 4: Simplify right side
    12,746,104.61x = 98,945,981,670,453.39
  5. Step 5: Solve for x
    x = 98,945,981,670,453.39/12,746,104.61
  6. Step 6: Final answer
    x = 7,762,840.86

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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.