Home / 7,002,915.95-9,664,004.59-3,905,442.20

Finding the Fourth Proportional to 7,002,915.95, 9,664,004.59 and 3,905,442.20

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Solution

The fourth proportional to 7,002,915.95, 9,664,004.59 and 3,905,442.20 is: 5,389,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,915.95 : 9,664,004.59 = 3,905,442.20 : x
  2. Step 2: Convert to fraction form
    7,002,915.95/9,664,004.59 = 3,905,442.20/x
  3. Step 3: Cross multiply
    7,002,915.95x = 9,664,004.59 × 3,905,442.20
  4. Step 4: Simplify right side
    7,002,915.95x = 37,742,211,361,176.11
  5. Step 5: Solve for x
    x = 37,742,211,361,176.11/7,002,915.95
  6. Step 6: Final answer
    x = 5,389,499.41

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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.