Home / 31,005,290.20-46,507,935.30-9,439,720.60

Finding the Fourth Proportional to 31,005,290.20, 46,507,935.30 and 9,439,720.60

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Solution

The fourth proportional to 31,005,290.20, 46,507,935.30 and 9,439,720.60 is: 14,159,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,290.20 : 46,507,935.30 = 9,439,720.60 : x
  2. Step 2: Convert to fraction form
    31,005,290.20/46,507,935.30 = 9,439,720.60/x
  3. Step 3: Cross multiply
    31,005,290.20x = 46,507,935.30 × 9,439,720.60
  4. Step 4: Simplify right side
    31,005,290.20x = 439,021,914,914,877.12
  5. Step 5: Solve for x
    x = 439,021,914,914,877.12/31,005,290.20
  6. Step 6: Final answer
    x = 14,159,580.90

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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.