Home / 13,740,006.40-20,593,420.80-7,004,953.60

Finding the Fourth Proportional to 13,740,006.40, 20,593,420.80 and 7,004,953.60

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Solution

The fourth proportional to 13,740,006.40, 20,593,420.80 and 7,004,953.60 is: 10,498,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740,006.40 : 20,593,420.80 = 7,004,953.60 : x
  2. Step 2: Convert to fraction form
    13,740,006.40/20,593,420.80 = 7,004,953.60/x
  3. Step 3: Cross multiply
    13,740,006.40x = 20,593,420.80 × 7,004,953.60
  4. Step 4: Simplify right side
    13,740,006.40x = 144,255,957,169,274.88
  5. Step 5: Solve for x
    x = 144,255,957,169,274.88/13,740,006.40
  6. Step 6: Final answer
    x = 10,498,973.07

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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.