Home / 7,790,686.07-11,739,206.21-6,401,853.59

Finding the Fourth Proportional to 7,790,686.07, 11,739,206.21 and 6,401,853.59

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Solution

The fourth proportional to 7,790,686.07, 11,739,206.21 and 6,401,853.59 is: 9,646,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,686.07 : 11,739,206.21 = 6,401,853.59 : x
  2. Step 2: Convert to fraction form
    7,790,686.07/11,739,206.21 = 6,401,853.59/x
  3. Step 3: Cross multiply
    7,790,686.07x = 11,739,206.21 × 6,401,853.59
  4. Step 4: Simplify right side
    7,790,686.07x = 75,152,679,328,533.50
  5. Step 5: Solve for x
    x = 75,152,679,328,533.50/7,790,686.07
  6. Step 6: Final answer
    x = 9,646,477.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.