Home / 8,431,384.50-11,636,886.87-4,809,712.50

Finding the Fourth Proportional to 8,431,384.50, 11,636,886.87 and 4,809,712.50

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Solution

The fourth proportional to 8,431,384.50, 11,636,886.87 and 4,809,712.50 is: 6,638,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,384.50 : 11,636,886.87 = 4,809,712.50 : x
  2. Step 2: Convert to fraction form
    8,431,384.50/11,636,886.87 = 4,809,712.50/x
  3. Step 3: Cross multiply
    8,431,384.50x = 11,636,886.87 × 4,809,712.50
  4. Step 4: Simplify right side
    8,431,384.50x = 55,970,080,239,724.87
  5. Step 5: Solve for x
    x = 55,970,080,239,724.87/8,431,384.50
  6. Step 6: Final answer
    x = 6,638,302.43

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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.