Home / 9,189,985.20-13,784,977.80-5,788,762.80

Finding the Fourth Proportional to 9,189,985.20, 13,784,977.80 and 5,788,762.80

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Solution

The fourth proportional to 9,189,985.20, 13,784,977.80 and 5,788,762.80 is: 8,683,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,985.20 : 13,784,977.80 = 5,788,762.80 : x
  2. Step 2: Convert to fraction form
    9,189,985.20/13,784,977.80 = 5,788,762.80/x
  3. Step 3: Cross multiply
    9,189,985.20x = 13,784,977.80 × 5,788,762.80
  4. Step 4: Simplify right side
    9,189,985.20x = 79,797,966,687,465.84
  5. Step 5: Solve for x
    x = 79,797,966,687,465.84/9,189,985.20
  6. Step 6: Final answer
    x = 8,683,144.20

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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.