Home / 13,550,028.10-18,699,056.67-7,355,070.70

Finding the Fourth Proportional to 13,550,028.10, 18,699,056.67 and 7,355,070.70

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Solution

The fourth proportional to 13,550,028.10, 18,699,056.67 and 7,355,070.70 is: 10,150,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,028.10 : 18,699,056.67 = 7,355,070.70 : x
  2. Step 2: Convert to fraction form
    13,550,028.10/18,699,056.67 = 7,355,070.70/x
  3. Step 3: Cross multiply
    13,550,028.10x = 18,699,056.67 × 7,355,070.70
  4. Step 4: Simplify right side
    13,550,028.10x = 137,532,883,831,156.58
  5. Step 5: Solve for x
    x = 137,532,883,831,156.58/13,550,028.10
  6. Step 6: Final answer
    x = 10,150,007.28

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1.5x scale

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.