Home / 7,164,648.86-9,887,215.93-3,901,462.61

Finding the Fourth Proportional to 7,164,648.86, 9,887,215.93 and 3,901,462.61

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Solution

The fourth proportional to 7,164,648.86, 9,887,215.93 and 3,901,462.61 is: 5,384,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,648.86 : 9,887,215.93 = 3,901,462.61 : x
  2. Step 2: Convert to fraction form
    7,164,648.86/9,887,215.93 = 3,901,462.61/x
  3. Step 3: Cross multiply
    7,164,648.86x = 9,887,215.93 × 3,901,462.61
  4. Step 4: Simplify right side
    7,164,648.86x = 38,574,603,208,701.64
  5. Step 5: Solve for x
    x = 38,574,603,208,701.64/7,164,648.86
  6. Step 6: Final answer
    x = 5,384,018.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.