Home / 8,238,095.80-12,357,143.70-6,838,415.80

Finding the Fourth Proportional to 8,238,095.80, 12,357,143.70 and 6,838,415.80

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Solution

The fourth proportional to 8,238,095.80, 12,357,143.70 and 6,838,415.80 is: 10,257,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,095.80 : 12,357,143.70 = 6,838,415.80 : x
  2. Step 2: Convert to fraction form
    8,238,095.80/12,357,143.70 = 6,838,415.80/x
  3. Step 3: Cross multiply
    8,238,095.80x = 12,357,143.70 × 6,838,415.80
  4. Step 4: Simplify right side
    8,238,095.80x = 84,503,286,720,950.45
  5. Step 5: Solve for x
    x = 84,503,286,720,950.45/8,238,095.80
  6. Step 6: Final answer
    x = 10,257,623.70

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1.5x scale

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.