Home / 28,176,179.56-42,263,667.63-7,705,899.20

Finding the Fourth Proportional to 28,176,179.56, 42,263,667.63 and 7,705,899.20

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Solution

The fourth proportional to 28,176,179.56, 42,263,667.63 and 7,705,899.20 is: 11,558,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176,179.56 : 42,263,667.63 = 7,705,899.20 : x
  2. Step 2: Convert to fraction form
    28,176,179.56/42,263,667.63 = 7,705,899.20/x
  3. Step 3: Cross multiply
    28,176,179.56x = 42,263,667.63 × 7,705,899.20
  4. Step 4: Simplify right side
    28,176,179.56x = 325,679,562,785,655.44
  5. Step 5: Solve for x
    x = 325,679,562,785,655.44/28,176,179.56
  6. Step 6: Final answer
    x = 11,558,684.25

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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.