Home / 12,728,852.84-19,087,359.70-4,636,194.68

Finding the Fourth Proportional to 12,728,852.84, 19,087,359.70 and 4,636,194.68

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Solution

The fourth proportional to 12,728,852.84, 19,087,359.70 and 4,636,194.68 is: 6,952,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,852.84 : 19,087,359.70 = 4,636,194.68 : x
  2. Step 2: Convert to fraction form
    12,728,852.84/19,087,359.70 = 4,636,194.68/x
  3. Step 3: Cross multiply
    12,728,852.84x = 19,087,359.70 × 4,636,194.68
  4. Step 4: Simplify right side
    12,728,852.84x = 88,492,715,496,386.39
  5. Step 5: Solve for x
    x = 88,492,715,496,386.39/12,728,852.84
  6. Step 6: Final answer
    x = 6,952,135.96

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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.