Home / 13,608,045.60-20,412,068.40-12,013,722.60

Finding the Fourth Proportional to 13,608,045.60, 20,412,068.40 and 12,013,722.60

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Solution

The fourth proportional to 13,608,045.60, 20,412,068.40 and 12,013,722.60 is: 18,020,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,045.60 : 20,412,068.40 = 12,013,722.60 : x
  2. Step 2: Convert to fraction form
    13,608,045.60/20,412,068.40 = 12,013,722.60/x
  3. Step 3: Cross multiply
    13,608,045.60x = 20,412,068.40 × 12,013,722.60
  4. Step 4: Simplify right side
    13,608,045.60x = 245,224,927,449,825.81
  5. Step 5: Solve for x
    x = 245,224,927,449,825.81/13,608,045.60
  6. Step 6: Final answer
    x = 18,020,583.90

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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.