Home / 11,808,019.70-17,712,029.55-9,708,499.70

Finding the Fourth Proportional to 11,808,019.70, 17,712,029.55 and 9,708,499.70

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Solution

The fourth proportional to 11,808,019.70, 17,712,029.55 and 9,708,499.70 is: 14,562,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,019.70 : 17,712,029.55 = 9,708,499.70 : x
  2. Step 2: Convert to fraction form
    11,808,019.70/17,712,029.55 = 9,708,499.70/x
  3. Step 3: Cross multiply
    11,808,019.70x = 17,712,029.55 × 9,708,499.70
  4. Step 4: Simplify right side
    11,808,019.70x = 171,957,233,572,566.12
  5. Step 5: Solve for x
    x = 171,957,233,572,566.12/11,808,019.70
  6. Step 6: Final answer
    x = 14,562,749.55

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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.