Home / 31,005,091.20-46,507,636.80-9,439,521.60

Finding the Fourth Proportional to 31,005,091.20, 46,507,636.80 and 9,439,521.60

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Solution

The fourth proportional to 31,005,091.20, 46,507,636.80 and 9,439,521.60 is: 14,159,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,091.20 : 46,507,636.80 = 9,439,521.60 : x
  2. Step 2: Convert to fraction form
    31,005,091.20/46,507,636.80 = 9,439,521.60/x
  3. Step 3: Cross multiply
    31,005,091.20x = 46,507,636.80 × 9,439,521.60
  4. Step 4: Simplify right side
    31,005,091.20x = 439,009,842,138,554.81
  5. Step 5: Solve for x
    x = 439,009,842,138,554.81/31,005,091.20
  6. Step 6: Final answer
    x = 14,159,282.40

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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.