Home / 8,989,939.40-13,484,909.10-8,933,952.20

Finding the Fourth Proportional to 8,989,939.40, 13,484,909.10 and 8,933,952.20

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Solution

The fourth proportional to 8,989,939.40, 13,484,909.10 and 8,933,952.20 is: 13,400,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,939.40 : 13,484,909.10 = 8,933,952.20 : x
  2. Step 2: Convert to fraction form
    8,989,939.40/13,484,909.10 = 8,933,952.20/x
  3. Step 3: Cross multiply
    8,989,939.40x = 13,484,909.10 × 8,933,952.20
  4. Step 4: Simplify right side
    8,989,939.40x = 120,473,533,320,745
  5. Step 5: Solve for x
    x = 120,473,533,320,745/8,989,939.40
  6. Step 6: Final answer
    x = 13,400,928.30

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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.