Home / 13,831,420.20-19,069,617.44-11,341,466.98

Finding the Fourth Proportional to 13,831,420.20, 19,069,617.44 and 11,341,466.98

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Solution

The fourth proportional to 13,831,420.20, 19,069,617.44 and 11,341,466.98 is: 15,636,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,420.20 : 19,069,617.44 = 11,341,466.98 : x
  2. Step 2: Convert to fraction form
    13,831,420.20/19,069,617.44 = 11,341,466.98/x
  3. Step 3: Cross multiply
    13,831,420.20x = 19,069,617.44 × 11,341,466.98
  4. Step 4: Simplify right side
    13,831,420.20x = 216,277,436,516,992.16
  5. Step 5: Solve for x
    x = 216,277,436,516,992.16/13,831,420.20
  6. Step 6: Final answer
    x = 15,636,676.02

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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.