Home / 13,213,000.80-19,814,835.60-4,693,615.20

Finding the Fourth Proportional to 13,213,000.80, 19,814,835.60 and 4,693,615.20

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Solution

The fourth proportional to 13,213,000.80, 19,814,835.60 and 4,693,615.20 is: 7,038,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,000.80 : 19,814,835.60 = 4,693,615.20 : x
  2. Step 2: Convert to fraction form
    13,213,000.80/19,814,835.60 = 4,693,615.20/x
  3. Step 3: Cross multiply
    13,213,000.80x = 19,814,835.60 × 4,693,615.20
  4. Step 4: Simplify right side
    13,213,000.80x = 93,003,213,557,661.12
  5. Step 5: Solve for x
    x = 93,003,213,557,661.12/13,213,000.80
  6. Step 6: Final answer
    x = 7,038,765.45

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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.