Home / 14,245,742.96-19,659,486.84-8,742,157.52

Finding the Fourth Proportional to 14,245,742.96, 19,659,486.84 and 8,742,157.52

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Solution

The fourth proportional to 14,245,742.96, 19,659,486.84 and 8,742,157.52 is: 12,064,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245,742.96 : 19,659,486.84 = 8,742,157.52 : x
  2. Step 2: Convert to fraction form
    14,245,742.96/19,659,486.84 = 8,742,157.52/x
  3. Step 3: Cross multiply
    14,245,742.96x = 19,659,486.84 × 8,742,157.52
  4. Step 4: Simplify right side
    14,245,742.96x = 171,866,330,717,647.03
  5. Step 5: Solve for x
    x = 171,866,330,717,647.03/14,245,742.96
  6. Step 6: Final answer
    x = 12,064,399.25

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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.