Home / 13,706,628.60-20,559,942.90-12,530,897.40

Finding the Fourth Proportional to 13,706,628.60, 20,559,942.90 and 12,530,897.40

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Solution

The fourth proportional to 13,706,628.60, 20,559,942.90 and 12,530,897.40 is: 18,796,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,628.60 : 20,559,942.90 = 12,530,897.40 : x
  2. Step 2: Convert to fraction form
    13,706,628.60/20,559,942.90 = 12,530,897.40/x
  3. Step 3: Cross multiply
    13,706,628.60x = 20,559,942.90 × 12,530,897.40
  4. Step 4: Simplify right side
    13,706,628.60x = 257,634,535,029,758.44
  5. Step 5: Solve for x
    x = 257,634,535,029,758.44/13,706,628.60
  6. Step 6: Final answer
    x = 18,796,346.10

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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.