Home / 13,703,168.61-20,548,026.81-6,778,647.42

Finding the Fourth Proportional to 13,703,168.61, 20,548,026.81 and 6,778,647.42

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Solution

The fourth proportional to 13,703,168.61, 20,548,026.81 and 6,778,647.42 is: 10,164,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703,168.61 : 20,548,026.81 = 6,778,647.42 : x
  2. Step 2: Convert to fraction form
    13,703,168.61/20,548,026.81 = 6,778,647.42/x
  3. Step 3: Cross multiply
    13,703,168.61x = 20,548,026.81 × 6,778,647.42
  4. Step 4: Simplify right side
    13,703,168.61x = 139,287,828,921,697.31
  5. Step 5: Solve for x
    x = 139,287,828,921,697.31/13,703,168.61
  6. Step 6: Final answer
    x = 10,164,643.88

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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.