Home / 15,706,470.60-21,678,778.26-9,600,018.12

Finding the Fourth Proportional to 15,706,470.60, 21,678,778.26 and 9,600,018.12

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Solution

The fourth proportional to 15,706,470.60, 21,678,778.26 and 9,600,018.12 is: 13,250,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706,470.60 : 21,678,778.26 = 9,600,018.12 : x
  2. Step 2: Convert to fraction form
    15,706,470.60/21,678,778.26 = 9,600,018.12/x
  3. Step 3: Cross multiply
    15,706,470.60x = 21,678,778.26 × 9,600,018.12
  4. Step 4: Simplify right side
    15,706,470.60x = 208,116,664,115,462.06
  5. Step 5: Solve for x
    x = 208,116,664,115,462.06/15,706,470.60
  6. Step 6: Final answer
    x = 13,250,377.47

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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.