Home / 7,721,595.60-10,657,081.08-4,284,940.56

Finding the Fourth Proportional to 7,721,595.60, 10,657,081.08 and 4,284,940.56

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Solution

The fourth proportional to 7,721,595.60, 10,657,081.08 and 4,284,940.56 is: 5,913,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,595.60 : 10,657,081.08 = 4,284,940.56 : x
  2. Step 2: Convert to fraction form
    7,721,595.60/10,657,081.08 = 4,284,940.56/x
  3. Step 3: Cross multiply
    7,721,595.60x = 10,657,081.08 × 4,284,940.56
  4. Step 4: Simplify right side
    7,721,595.60x = 45,664,958,970,900.60
  5. Step 5: Solve for x
    x = 45,664,958,970,900.60/7,721,595.60
  6. Step 6: Final answer
    x = 5,913,927.81

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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.