Home / 7,909,837.58-10,916,389.98-4,812,580.85

Finding the Fourth Proportional to 7,909,837.58, 10,916,389.98 and 4,812,580.85

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Solution

The fourth proportional to 7,909,837.58, 10,916,389.98 and 4,812,580.85 is: 6,641,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,837.58 : 10,916,389.98 = 4,812,580.85 : x
  2. Step 2: Convert to fraction form
    7,909,837.58/10,916,389.98 = 4,812,580.85/x
  3. Step 3: Cross multiply
    7,909,837.58x = 10,916,389.98 × 4,812,580.85
  4. Step 4: Simplify right side
    7,909,837.58x = 52,536,009,314,297.93
  5. Step 5: Solve for x
    x = 52,536,009,314,297.93/7,909,837.58
  6. Step 6: Final answer
    x = 6,641,856.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.