Home / 31,347,309.60-47,009,905.20-11,153,210.40

Finding the Fourth Proportional to 31,347,309.60, 47,009,905.20 and 11,153,210.40

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Solution

The fourth proportional to 31,347,309.60, 47,009,905.20 and 11,153,210.40 is: 16,725,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,309.60 : 47,009,905.20 = 11,153,210.40 : x
  2. Step 2: Convert to fraction form
    31,347,309.60/47,009,905.20 = 11,153,210.40/x
  3. Step 3: Cross multiply
    31,347,309.60x = 47,009,905.20 × 11,153,210.40
  4. Step 4: Simplify right side
    31,347,309.60x = 524,311,363,579,654.12
  5. Step 5: Solve for x
    x = 524,311,363,579,654.12/31,347,309.60
  6. Step 6: Final answer
    x = 16,725,880.79

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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.