Home / 47,313,409.80-70,964,865.90-13,238,200.20

Finding the Fourth Proportional to 47,313,409.80, 70,964,865.90 and 13,238,200.20

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Solution

The fourth proportional to 47,313,409.80, 70,964,865.90 and 13,238,200.20 is: 19,855,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,313,409.80 : 70,964,865.90 = 13,238,200.20 : x
  2. Step 2: Convert to fraction form
    47,313,409.80/70,964,865.90 = 13,238,200.20/x
  3. Step 3: Cross multiply
    47,313,409.80x = 70,964,865.90 × 13,238,200.20
  4. Step 4: Simplify right side
    47,313,409.80x = 939,447,101,950,353.25
  5. Step 5: Solve for x
    x = 939,447,101,950,353.25/47,313,409.80
  6. Step 6: Final answer
    x = 19,855,831.70

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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.