Home / 8,412,539.45-11,609,312.65-4,545,063.70

Finding the Fourth Proportional to 8,412,539.45, 11,609,312.65 and 4,545,063.70

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Solution

The fourth proportional to 8,412,539.45, 11,609,312.65 and 4,545,063.70 is: 6,272,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,539.45 : 11,609,312.65 = 4,545,063.70 : x
  2. Step 2: Convert to fraction form
    8,412,539.45/11,609,312.65 = 4,545,063.70/x
  3. Step 3: Cross multiply
    8,412,539.45x = 11,609,312.65 × 4,545,063.70
  4. Step 4: Simplify right side
    8,412,539.45x = 52,765,065,467,079.87
  5. Step 5: Solve for x
    x = 52,765,065,467,079.87/8,412,539.45
  6. Step 6: Final answer
    x = 6,272,192.34

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1.5x scale

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.