Home / 13,559,945.40-18,712,860.60-7,365,113.27

Finding the Fourth Proportional to 13,559,945.40, 18,712,860.60 and 7,365,113.27

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Solution

The fourth proportional to 13,559,945.40, 18,712,860.60 and 7,365,113.27 is: 10,163,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,945.40 : 18,712,860.60 = 7,365,113.27 : x
  2. Step 2: Convert to fraction form
    13,559,945.40/18,712,860.60 = 7,365,113.27/x
  3. Step 3: Cross multiply
    13,559,945.40x = 18,712,860.60 × 7,365,113.27
  4. Step 4: Simplify right side
    13,559,945.40x = 137,822,337,831,155.86
  5. Step 5: Solve for x
    x = 137,822,337,831,155.86/13,559,945.40
  6. Step 6: Final answer
    x = 10,163,930.15

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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.