Home / 13,890,185.60-20,807,284.80-9,355,222.40

Finding the Fourth Proportional to 13,890,185.60, 20,807,284.80 and 9,355,222.40

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Solution

The fourth proportional to 13,890,185.60, 20,807,284.80 and 9,355,222.40 is: 14,013,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,185.60 : 20,807,284.80 = 9,355,222.40 : x
  2. Step 2: Convert to fraction form
    13,890,185.60/20,807,284.80 = 9,355,222.40/x
  3. Step 3: Cross multiply
    13,890,185.60x = 20,807,284.80 × 9,355,222.40
  4. Step 4: Simplify right side
    13,890,185.60x = 194,656,776,844,139.53
  5. Step 5: Solve for x
    x = 194,656,776,844,139.53/13,890,185.60
  6. Step 6: Final answer
    x = 14,013,979.54

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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.