Home / 30,409,630.02-41,964,955.20-16,470,638.64

Finding the Fourth Proportional to 30,409,630.02, 41,964,955.20 and 16,470,638.64

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Solution

The fourth proportional to 30,409,630.02, 41,964,955.20 and 16,470,638.64 is: 22,729,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,630.02 : 41,964,955.20 = 16,470,638.64 : x
  2. Step 2: Convert to fraction form
    30,409,630.02/41,964,955.20 = 16,470,638.64/x
  3. Step 3: Cross multiply
    30,409,630.02x = 41,964,955.20 × 16,470,638.64
  4. Step 4: Simplify right side
    30,409,630.02x = 691,189,612,642,989
  5. Step 5: Solve for x
    x = 691,189,612,642,989/30,409,630.02
  6. Step 6: Final answer
    x = 22,729,300.30

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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.