Home / 13,706,638.40-20,559,957.60-7,336,539.20

Finding the Fourth Proportional to 13,706,638.40, 20,559,957.60 and 7,336,539.20

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Solution

The fourth proportional to 13,706,638.40, 20,559,957.60 and 7,336,539.20 is: 11,004,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,638.40 : 20,559,957.60 = 7,336,539.20 : x
  2. Step 2: Convert to fraction form
    13,706,638.40/20,559,957.60 = 7,336,539.20/x
  3. Step 3: Cross multiply
    13,706,638.40x = 20,559,957.60 × 7,336,539.20
  4. Step 4: Simplify right side
    13,706,638.40x = 150,838,934,882,737.94
  5. Step 5: Solve for x
    x = 150,838,934,882,737.94/13,706,638.40
  6. Step 6: Final answer
    x = 11,004,808.80

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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.