Home / 28,007,837.70-42,011,756.55-8,840,532.30

Finding the Fourth Proportional to 28,007,837.70, 42,011,756.55 and 8,840,532.30

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Solution

The fourth proportional to 28,007,837.70, 42,011,756.55 and 8,840,532.30 is: 13,260,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,837.70 : 42,011,756.55 = 8,840,532.30 : x
  2. Step 2: Convert to fraction form
    28,007,837.70/42,011,756.55 = 8,840,532.30/x
  3. Step 3: Cross multiply
    28,007,837.70x = 42,011,756.55 × 8,840,532.30
  4. Step 4: Simplify right side
    28,007,837.70x = 371,406,290,760,011.56
  5. Step 5: Solve for x
    x = 371,406,290,760,011.56/28,007,837.70
  6. Step 6: Final answer
    x = 13,260,798.45

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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.