Home / 10,475,740.51-15,709,028.94-5,285,155.71

Finding the Fourth Proportional to 10,475,740.51, 15,709,028.94 and 5,285,155.71

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Solution

The fourth proportional to 10,475,740.51, 15,709,028.94 and 5,285,155.71 is: 7,925,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475,740.51 : 15,709,028.94 = 5,285,155.71 : x
  2. Step 2: Convert to fraction form
    10,475,740.51/15,709,028.94 = 5,285,155.71/x
  3. Step 3: Cross multiply
    10,475,740.51x = 15,709,028.94 × 5,285,155.71
  4. Step 4: Simplify right side
    10,475,740.51x = 83,024,664,000,796.25
  5. Step 5: Solve for x
    x = 83,024,664,000,796.25/10,475,740.51
  6. Step 6: Final answer
    x = 7,925,421.97

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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.