Home / 13,232,149.76-18,260,297.52-7,431,176

Finding the Fourth Proportional to 13,232,149.76, 18,260,297.52 and 7,431,176

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Solution

The fourth proportional to 13,232,149.76, 18,260,297.52 and 7,431,176 is: 10,254,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,149.76 : 18,260,297.52 = 7,431,176 : x
  2. Step 2: Convert to fraction form
    13,232,149.76/18,260,297.52 = 7,431,176/x
  3. Step 3: Cross multiply
    13,232,149.76x = 18,260,297.52 × 7,431,176
  4. Step 4: Simplify right side
    13,232,149.76x = 135,695,484,683,483.52
  5. Step 5: Solve for x
    x = 135,695,484,683,483.52/13,232,149.76
  6. Step 6: Final answer
    x = 10,254,984.05

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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.