Home / 31,004,871.20-46,507,306.80-9,439,301.60

Finding the Fourth Proportional to 31,004,871.20, 46,507,306.80 and 9,439,301.60

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Solution

The fourth proportional to 31,004,871.20, 46,507,306.80 and 9,439,301.60 is: 14,158,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004,871.20 : 46,507,306.80 = 9,439,301.60 : x
  2. Step 2: Convert to fraction form
    31,004,871.20/46,507,306.80 = 9,439,301.60/x
  3. Step 3: Cross multiply
    31,004,871.20x = 46,507,306.80 × 9,439,301.60
  4. Step 4: Simplify right side
    31,004,871.20x = 438,996,495,488,930.81
  5. Step 5: Solve for x
    x = 438,996,495,488,930.81/31,004,871.20
  6. Step 6: Final answer
    x = 14,158,952.40

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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.