Home / 31,592,970.64-47,391,293.20-8,875,639.36

Finding the Fourth Proportional to 31,592,970.64, 47,391,293.20 and 8,875,639.36

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Solution

The fourth proportional to 31,592,970.64, 47,391,293.20 and 8,875,639.36 is: 13,313,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,970.64 : 47,391,293.20 = 8,875,639.36 : x
  2. Step 2: Convert to fraction form
    31,592,970.64/47,391,293.20 = 8,875,639.36/x
  3. Step 3: Cross multiply
    31,592,970.64x = 47,391,293.20 × 8,875,639.36
  4. Step 4: Simplify right side
    31,592,970.64x = 420,628,027,247,220.38
  5. Step 5: Solve for x
    x = 420,628,027,247,220.38/31,592,970.64
  6. Step 6: Final answer
    x = 13,313,975.19

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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.