Home / 9,308,719.80-13,963,079.70-6,438,938.40

Finding the Fourth Proportional to 9,308,719.80, 13,963,079.70 and 6,438,938.40

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Solution

The fourth proportional to 9,308,719.80, 13,963,079.70 and 6,438,938.40 is: 9,658,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,719.80 : 13,963,079.70 = 6,438,938.40 : x
  2. Step 2: Convert to fraction form
    9,308,719.80/13,963,079.70 = 6,438,938.40/x
  3. Step 3: Cross multiply
    9,308,719.80x = 13,963,079.70 × 6,438,938.40
  4. Step 4: Simplify right side
    9,308,719.80x = 89,907,410,062,590.48
  5. Step 5: Solve for x
    x = 89,907,410,062,590.48/9,308,719.80
  6. Step 6: Final answer
    x = 9,658,407.60

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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.