Home / 43,458,195.60-65,196,041.40-12,752,715.60

Finding the Fourth Proportional to 43,458,195.60, 65,196,041.40 and 12,752,715.60

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Solution

The fourth proportional to 43,458,195.60, 65,196,041.40 and 12,752,715.60 is: 19,131,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458,195.60 : 65,196,041.40 = 12,752,715.60 : x
  2. Step 2: Convert to fraction form
    43,458,195.60/65,196,041.40 = 12,752,715.60/x
  3. Step 3: Cross multiply
    43,458,195.60x = 65,196,041.40 × 12,752,715.60
  4. Step 4: Simplify right side
    43,458,195.60x = 831,426,574,220,025.75
  5. Step 5: Solve for x
    x = 831,426,574,220,025.75/43,458,195.60
  6. Step 6: Final answer
    x = 19,131,640.48

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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.