Home / 28,526,552.80-42,789,829.20-10,571,941.60

Finding the Fourth Proportional to 28,526,552.80, 42,789,829.20 and 10,571,941.60

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Solution

The fourth proportional to 28,526,552.80, 42,789,829.20 and 10,571,941.60 is: 15,857,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526,552.80 : 42,789,829.20 = 10,571,941.60 : x
  2. Step 2: Convert to fraction form
    28,526,552.80/42,789,829.20 = 10,571,941.60/x
  3. Step 3: Cross multiply
    28,526,552.80x = 42,789,829.20 × 10,571,941.60
  4. Step 4: Simplify right side
    28,526,552.80x = 452,371,575,376,374.75
  5. Step 5: Solve for x
    x = 452,371,575,376,374.75/28,526,552.80
  6. Step 6: Final answer
    x = 15,857,912.40

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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.