Home / 12,738,821.04-19,089,335.70-9,356,494.32

Finding the Fourth Proportional to 12,738,821.04, 19,089,335.70 and 9,356,494.32

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Solution

The fourth proportional to 12,738,821.04, 19,089,335.70 and 9,356,494.32 is: 14,020,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,821.04 : 19,089,335.70 = 9,356,494.32 : x
  2. Step 2: Convert to fraction form
    12,738,821.04/19,089,335.70 = 9,356,494.32/x
  3. Step 3: Cross multiply
    12,738,821.04x = 19,089,335.70 × 9,356,494.32
  4. Step 4: Simplify right side
    12,738,821.04x = 178,609,261,049,623.22
  5. Step 5: Solve for x
    x = 178,609,261,049,623.22/12,738,821.04
  6. Step 6: Final answer
    x = 14,020,862.72

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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.