Home / 49,438,021.60-74,164,030.80-15,355,813.60

Finding the Fourth Proportional to 49,438,021.60, 74,164,030.80 and 15,355,813.60

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Solution

The fourth proportional to 49,438,021.60, 74,164,030.80 and 15,355,813.60 is: 23,035,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438,021.60 : 74,164,030.80 = 15,355,813.60 : x
  2. Step 2: Convert to fraction form
    49,438,021.60/74,164,030.80 = 15,355,813.60/x
  3. Step 3: Cross multiply
    49,438,021.60x = 74,164,030.80 × 15,355,813.60
  4. Step 4: Simplify right side
    49,438,021.60x = 1,138,849,032,789,458.75
  5. Step 5: Solve for x
    x = 1,138,849,032,789,458.75/49,438,021.60
  6. Step 6: Final answer
    x = 23,035,894.15

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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.