Home / 21,127,100.40-31,714,270.20-16,355,941.20

Finding the Fourth Proportional to 21,127,100.40, 31,714,270.20 and 16,355,941.20

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Solution

The fourth proportional to 21,127,100.40, 31,714,270.20 and 16,355,941.20 is: 24,552,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,100.40 : 31,714,270.20 = 16,355,941.20 : x
  2. Step 2: Convert to fraction form
    21,127,100.40/31,714,270.20 = 16,355,941.20/x
  3. Step 3: Cross multiply
    21,127,100.40x = 31,714,270.20 × 16,355,941.20
  4. Step 4: Simplify right side
    21,127,100.40x = 518,716,738,592,112.19
  5. Step 5: Solve for x
    x = 518,716,738,592,112.19/21,127,100.40
  6. Step 6: Final answer
    x = 24,552,197.36

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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.