Home / 13,618,994.40-18,794,340-7,507,641.60

Finding the Fourth Proportional to 13,618,994.40, 18,794,340 and 7,507,641.60

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Solution

The fourth proportional to 13,618,994.40, 18,794,340 and 7,507,641.60 is: 10,360,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,994.40 : 18,794,340 = 7,507,641.60 : x
  2. Step 2: Convert to fraction form
    13,618,994.40/18,794,340 = 7,507,641.60/x
  3. Step 3: Cross multiply
    13,618,994.40x = 18,794,340 × 7,507,641.60
  4. Step 4: Simplify right side
    13,618,994.40x = 141,101,168,828,544
  5. Step 5: Solve for x
    x = 141,101,168,828,544/13,618,994.40
  6. Step 6: Final answer
    x = 10,360,615.82

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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.