Home / 28,977,940.80-43,466,911.20-7,702,804.80

Finding the Fourth Proportional to 28,977,940.80, 43,466,911.20 and 7,702,804.80

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Solution

The fourth proportional to 28,977,940.80, 43,466,911.20 and 7,702,804.80 is: 11,554,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,940.80 : 43,466,911.20 = 7,702,804.80 : x
  2. Step 2: Convert to fraction form
    28,977,940.80/43,466,911.20 = 7,702,804.80/x
  3. Step 3: Cross multiply
    28,977,940.80x = 43,466,911.20 × 7,702,804.80
  4. Step 4: Simplify right side
    28,977,940.80x = 334,817,132,232,533.75
  5. Step 5: Solve for x
    x = 334,817,132,232,533.75/28,977,940.80
  6. Step 6: Final answer
    x = 11,554,207.20

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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.