Home / 12,092,847.88-16,688,130.07-6,660,339.88

Finding the Fourth Proportional to 12,092,847.88, 16,688,130.07 and 6,660,339.88

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Solution

The fourth proportional to 12,092,847.88, 16,688,130.07 and 6,660,339.88 is: 9,191,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092,847.88 : 16,688,130.07 = 6,660,339.88 : x
  2. Step 2: Convert to fraction form
    12,092,847.88/16,688,130.07 = 6,660,339.88/x
  3. Step 3: Cross multiply
    12,092,847.88x = 16,688,130.07 × 6,660,339.88
  4. Step 4: Simplify right side
    12,092,847.88x = 111,148,618,227,848.19
  5. Step 5: Solve for x
    x = 111,148,618,227,848.19/12,092,847.88
  6. Step 6: Final answer
    x = 9,191,269.03

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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.