Home / 15,032,995.04-20,745,245.40-8,506,505.72

Finding the Fourth Proportional to 15,032,995.04, 20,745,245.40 and 8,506,505.72

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Solution

The fourth proportional to 15,032,995.04, 20,745,245.40 and 8,506,505.72 is: 11,738,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032,995.04 : 20,745,245.40 = 8,506,505.72 : x
  2. Step 2: Convert to fraction form
    15,032,995.04/20,745,245.40 = 8,506,505.72/x
  3. Step 3: Cross multiply
    15,032,995.04x = 20,745,245.40 × 8,506,505.72
  4. Step 4: Simplify right side
    15,032,995.04x = 176,469,548,657,903.69
  5. Step 5: Solve for x
    x = 176,469,548,657,903.69/15,032,995.04
  6. Step 6: Final answer
    x = 11,738,815.07

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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.