Home / 28,356,902.20-42,547,163.10-9,193,533.40

Finding the Fourth Proportional to 28,356,902.20, 42,547,163.10 and 9,193,533.40

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Solution

The fourth proportional to 28,356,902.20, 42,547,163.10 and 9,193,533.40 is: 13,794,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356,902.20 : 42,547,163.10 = 9,193,533.40 : x
  2. Step 2: Convert to fraction form
    28,356,902.20/42,547,163.10 = 9,193,533.40/x
  3. Step 3: Cross multiply
    28,356,902.20x = 42,547,163.10 × 9,193,533.40
  4. Step 4: Simplify right side
    28,356,902.20x = 391,158,765,035,097.56
  5. Step 5: Solve for x
    x = 391,158,765,035,097.56/28,356,902.20
  6. Step 6: Final answer
    x = 13,794,128.93

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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.