Home / 13,317,347.80-19,997,016.90-7,648,643.80

Finding the Fourth Proportional to 13,317,347.80, 19,997,016.90 and 7,648,643.80

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Solution

The fourth proportional to 13,317,347.80, 19,997,016.90 and 7,648,643.80 is: 11,485,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,347.80 : 19,997,016.90 = 7,648,643.80 : x
  2. Step 2: Convert to fraction form
    13,317,347.80/19,997,016.90 = 7,648,643.80/x
  3. Step 3: Cross multiply
    13,317,347.80x = 19,997,016.90 × 7,648,643.80
  4. Step 4: Simplify right side
    13,317,347.80x = 152,950,059,330,680.22
  5. Step 5: Solve for x
    x = 152,950,059,330,680.22/13,317,347.80
  6. Step 6: Final answer
    x = 11,485,024.02

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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.