Home / 9,979,485.80-14,969,228.70-8,971,716.20

Finding the Fourth Proportional to 9,979,485.80, 14,969,228.70 and 8,971,716.20

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Solution

The fourth proportional to 9,979,485.80, 14,969,228.70 and 8,971,716.20 is: 13,457,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,485.80 : 14,969,228.70 = 8,971,716.20 : x
  2. Step 2: Convert to fraction form
    9,979,485.80/14,969,228.70 = 8,971,716.20/x
  3. Step 3: Cross multiply
    9,979,485.80x = 14,969,228.70 × 8,971,716.20
  4. Step 4: Simplify right side
    9,979,485.80x = 134,299,671,629,294.92
  5. Step 5: Solve for x
    x = 134,299,671,629,294.92/9,979,485.80
  6. Step 6: Final answer
    x = 13,457,574.30

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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.