Home / 9,308,625.80-13,962,938.70-6,438,844.40

Finding the Fourth Proportional to 9,308,625.80, 13,962,938.70 and 6,438,844.40

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Solution

The fourth proportional to 9,308,625.80, 13,962,938.70 and 6,438,844.40 is: 9,658,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,625.80 : 13,962,938.70 = 6,438,844.40 : x
  2. Step 2: Convert to fraction form
    9,308,625.80/13,962,938.70 = 6,438,844.40/x
  3. Step 3: Cross multiply
    9,308,625.80x = 13,962,938.70 × 6,438,844.40
  4. Step 4: Simplify right side
    9,308,625.80x = 89,905,189,656,038.28
  5. Step 5: Solve for x
    x = 89,905,189,656,038.28/9,308,625.80
  6. Step 6: Final answer
    x = 9,658,266.60

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1.5x scale

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.