Home / 10,308,406.57-15,439,068.59-4,920,840.38

Finding the Fourth Proportional to 10,308,406.57, 15,439,068.59 and 4,920,840.38

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Solution

The fourth proportional to 10,308,406.57, 15,439,068.59 and 4,920,840.38 is: 7,370,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,406.57 : 15,439,068.59 = 4,920,840.38 : x
  2. Step 2: Convert to fraction form
    10,308,406.57/15,439,068.59 = 4,920,840.38/x
  3. Step 3: Cross multiply
    10,308,406.57x = 15,439,068.59 × 4,920,840.38
  4. Step 4: Simplify right side
    10,308,406.57x = 75,973,192,161,255.14
  5. Step 5: Solve for x
    x = 75,973,192,161,255.14/10,308,406.57
  6. Step 6: Final answer
    x = 7,370,022.87

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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.