Home / 10,475,743.69-15,709,033.72-5,285,158.90

Finding the Fourth Proportional to 10,475,743.69, 15,709,033.72 and 5,285,158.90

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Solution

The fourth proportional to 10,475,743.69, 15,709,033.72 and 5,285,158.90 is: 7,925,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475,743.69 : 15,709,033.72 = 5,285,158.90 : x
  2. Step 2: Convert to fraction form
    10,475,743.69/15,709,033.72 = 5,285,158.90/x
  3. Step 3: Cross multiply
    10,475,743.69x = 15,709,033.72 × 5,285,158.90
  4. Step 4: Simplify right side
    10,475,743.69x = 83,024,739,342,991.97
  5. Step 5: Solve for x
    x = 83,024,739,342,991.97/10,475,743.69
  6. Step 6: Final answer
    x = 7,925,426.76

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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.