Home / 11,372,390.46-15,693,895.53-6,478,065.90

Finding the Fourth Proportional to 11,372,390.46, 15,693,895.53 and 6,478,065.90

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Solution

The fourth proportional to 11,372,390.46, 15,693,895.53 and 6,478,065.90 is: 8,939,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372,390.46 : 15,693,895.53 = 6,478,065.90 : x
  2. Step 2: Convert to fraction form
    11,372,390.46/15,693,895.53 = 6,478,065.90/x
  3. Step 3: Cross multiply
    11,372,390.46x = 15,693,895.53 × 6,478,065.90
  4. Step 4: Simplify right side
    11,372,390.46x = 101,666,089,471,055.42
  5. Step 5: Solve for x
    x = 101,666,089,471,055.42/11,372,390.46
  6. Step 6: Final answer
    x = 8,939,729.06

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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.