Home / 13,887,567.10-20,831,350.65-3,791,208.70

Finding the Fourth Proportional to 13,887,567.10, 20,831,350.65 and 3,791,208.70

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Solution

The fourth proportional to 13,887,567.10, 20,831,350.65 and 3,791,208.70 is: 5,686,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,567.10 : 20,831,350.65 = 3,791,208.70 : x
  2. Step 2: Convert to fraction form
    13,887,567.10/20,831,350.65 = 3,791,208.70/x
  3. Step 3: Cross multiply
    13,887,567.10x = 20,831,350.65 × 3,791,208.70
  4. Step 4: Simplify right side
    13,887,567.10x = 78,975,997,817,030.66
  5. Step 5: Solve for x
    x = 78,975,997,817,030.66/13,887,567.10
  6. Step 6: Final answer
    x = 5,686,813.05

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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.