Home / 13,118,902.20-19,686,647.70-7,727,542.20

Finding the Fourth Proportional to 13,118,902.20, 19,686,647.70 and 7,727,542.20

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Solution

The fourth proportional to 13,118,902.20, 19,686,647.70 and 7,727,542.20 is: 11,596,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,902.20 : 19,686,647.70 = 7,727,542.20 : x
  2. Step 2: Convert to fraction form
    13,118,902.20/19,686,647.70 = 7,727,542.20/x
  3. Step 3: Cross multiply
    13,118,902.20x = 19,686,647.70 × 7,727,542.20
  4. Step 4: Simplify right side
    13,118,902.20x = 152,129,400,878,282.94
  5. Step 5: Solve for x
    x = 152,129,400,878,282.94/13,118,902.20
  6. Step 6: Final answer
    x = 11,596,199.02

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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.