Home / 13,184,145.90-18,193,697.55-7,303,537.80

Finding the Fourth Proportional to 13,184,145.90, 18,193,697.55 and 7,303,537.80

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Solution

The fourth proportional to 13,184,145.90, 18,193,697.55 and 7,303,537.80 is: 10,078,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,145.90 : 18,193,697.55 = 7,303,537.80 : x
  2. Step 2: Convert to fraction form
    13,184,145.90/18,193,697.55 = 7,303,537.80/x
  3. Step 3: Cross multiply
    13,184,145.90x = 18,193,697.55 × 7,303,537.80
  4. Step 4: Simplify right side
    13,184,145.90x = 132,878,357,778,192.39
  5. Step 5: Solve for x
    x = 132,878,357,778,192.39/13,184,145.90
  6. Step 6: Final answer
    x = 10,078,647.40

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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.