Home / 13,296,985.20-19,945,477.80-4,777,599.60

Finding the Fourth Proportional to 13,296,985.20, 19,945,477.80 and 4,777,599.60

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Solution

The fourth proportional to 13,296,985.20, 19,945,477.80 and 4,777,599.60 is: 7,166,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,985.20 : 19,945,477.80 = 4,777,599.60 : x
  2. Step 2: Convert to fraction form
    13,296,985.20/19,945,477.80 = 4,777,599.60/x
  3. Step 3: Cross multiply
    13,296,985.20x = 19,945,477.80 × 4,777,599.60
  4. Step 4: Simplify right side
    13,296,985.20x = 95,291,506,759,088.88
  5. Step 5: Solve for x
    x = 95,291,506,759,088.88/13,296,985.20
  6. Step 6: Final answer
    x = 7,166,399.40

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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.