Home / 7,757,461.84-11,636,192.46-3,657,828.72

Finding the Fourth Proportional to 7,757,461.84, 11,636,192.46 and 3,657,828.72

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Solution

The fourth proportional to 7,757,461.84, 11,636,192.46 and 3,657,828.72 is: 5,486,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757,461.84 : 11,636,192.46 = 3,657,828.72 : x
  2. Step 2: Convert to fraction form
    7,757,461.84/11,636,192.46 = 3,657,828.72/x
  3. Step 3: Cross multiply
    7,757,461.84x = 11,636,192.46 × 3,657,828.72
  4. Step 4: Simplify right side
    7,757,461.84x = 42,563,198,971,635.45
  5. Step 5: Solve for x
    x = 42,563,198,971,635.45/7,757,461.84
  6. Step 6: Final answer
    x = 5,486,742.94

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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.