Home / 12,089,417.80-18,127,905.90-4,512,483.40

Finding the Fourth Proportional to 12,089,417.80, 18,127,905.90 and 4,512,483.40

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Solution

The fourth proportional to 12,089,417.80, 18,127,905.90 and 4,512,483.40 is: 6,766,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,417.80 : 18,127,905.90 = 4,512,483.40 : x
  2. Step 2: Convert to fraction form
    12,089,417.80/18,127,905.90 = 4,512,483.40/x
  3. Step 3: Cross multiply
    12,089,417.80x = 18,127,905.90 × 4,512,483.40
  4. Step 4: Simplify right side
    12,089,417.80x = 81,801,874,450,512.06
  5. Step 5: Solve for x
    x = 81,801,874,450,512.06/12,089,417.80
  6. Step 6: Final answer
    x = 6,766,403.13

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1.5x scale

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.