Home / 7,811,723.34-11,717,001.81-2,420,415.18

Finding the Fourth Proportional to 7,811,723.34, 11,717,001.81 and 2,420,415.18

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Solution

The fourth proportional to 7,811,723.34, 11,717,001.81 and 2,420,415.18 is: 3,630,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,723.34 : 11,717,001.81 = 2,420,415.18 : x
  2. Step 2: Convert to fraction form
    7,811,723.34/11,717,001.81 = 2,420,415.18/x
  3. Step 3: Cross multiply
    7,811,723.34x = 11,717,001.81 × 2,420,415.18
  4. Step 4: Simplify right side
    7,811,723.34x = 28,360,009,045,011.48
  5. Step 5: Solve for x
    x = 28,360,009,045,011.48/7,811,723.34
  6. Step 6: Final answer
    x = 3,630,442.07

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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.