Home / 12,291,493.80-18,437,240.70-5,898,455.40

Finding the Fourth Proportional to 12,291,493.80, 18,437,240.70 and 5,898,455.40

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Solution

The fourth proportional to 12,291,493.80, 18,437,240.70 and 5,898,455.40 is: 8,847,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,493.80 : 18,437,240.70 = 5,898,455.40 : x
  2. Step 2: Convert to fraction form
    12,291,493.80/18,437,240.70 = 5,898,455.40/x
  3. Step 3: Cross multiply
    12,291,493.80x = 18,437,240.70 × 5,898,455.40
  4. Step 4: Simplify right side
    12,291,493.80x = 108,751,241,968,014.78
  5. Step 5: Solve for x
    x = 108,751,241,968,014.78/12,291,493.80
  6. Step 6: Final answer
    x = 8,847,683.10

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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.