Home / 13,879,903.60-19,154,865.60-7,684,950.32

Finding the Fourth Proportional to 13,879,903.60, 19,154,865.60 and 7,684,950.32

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Solution

The fourth proportional to 13,879,903.60, 19,154,865.60 and 7,684,950.32 is: 10,605,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,903.60 : 19,154,865.60 = 7,684,950.32 : x
  2. Step 2: Convert to fraction form
    13,879,903.60/19,154,865.60 = 7,684,950.32/x
  3. Step 3: Cross multiply
    13,879,903.60x = 19,154,865.60 × 7,684,950.32
  4. Step 4: Simplify right side
    13,879,903.60x = 147,204,190,522,277
  5. Step 5: Solve for x
    x = 147,204,190,522,277/13,879,903.60
  6. Step 6: Final answer
    x = 10,605,562.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.