Home / 7,002,918.95-9,664,008.71-3,905,445.22

Finding the Fourth Proportional to 7,002,918.95, 9,664,008.71 and 3,905,445.22

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Solution

The fourth proportional to 7,002,918.95, 9,664,008.71 and 3,905,445.22 is: 5,389,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,918.95 : 9,664,008.71 = 3,905,445.22 : x
  2. Step 2: Convert to fraction form
    7,002,918.95/9,664,008.71 = 3,905,445.22/x
  3. Step 3: Cross multiply
    7,002,918.95x = 9,664,008.71 × 3,905,445.22
  4. Step 4: Simplify right side
    7,002,918.95x = 37,742,256,608,111.45
  5. Step 5: Solve for x
    x = 37,742,256,608,111.45/7,002,918.95
  6. Step 6: Final answer
    x = 5,389,503.56

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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.