Home / 22,279,952.15-30,745,875.80-12,355,233.26

Finding the Fourth Proportional to 22,279,952.15, 30,745,875.80 and 12,355,233.26

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Solution

The fourth proportional to 22,279,952.15, 30,745,875.80 and 12,355,233.26 is: 17,049,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279,952.15 : 30,745,875.80 = 12,355,233.26 : x
  2. Step 2: Convert to fraction form
    22,279,952.15/30,745,875.80 = 12,355,233.26/x
  3. Step 3: Cross multiply
    22,279,952.15x = 30,745,875.80 × 12,355,233.26
  4. Step 4: Simplify right side
    22,279,952.15x = 379,872,467,076,483.62
  5. Step 5: Solve for x
    x = 379,872,467,076,483.62/22,279,952.15
  6. Step 6: Final answer
    x = 17,049,967.81

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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.