Home / 7,900,325.72-11,850,488.60-1,916,693.72

Finding the Fourth Proportional to 7,900,325.72, 11,850,488.60 and 1,916,693.72

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Solution

The fourth proportional to 7,900,325.72, 11,850,488.60 and 1,916,693.72 is: 2,875,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,325.72 : 11,850,488.60 = 1,916,693.72 : x
  2. Step 2: Convert to fraction form
    7,900,325.72/11,850,488.60 = 1,916,693.72/x
  3. Step 3: Cross multiply
    7,900,325.72x = 11,850,488.60 × 1,916,693.72
  4. Step 4: Simplify right side
    7,900,325.72x = 22,713,757,054,155.02
  5. Step 5: Solve for x
    x = 22,713,757,054,155.02/7,900,325.72
  6. Step 6: Final answer
    x = 2,875,040.58

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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.