Home / 28,405,699.84-42,602,364.97-7,655,653.65

Finding the Fourth Proportional to 28,405,699.84, 42,602,364.97 and 7,655,653.65

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Solution

The fourth proportional to 28,405,699.84, 42,602,364.97 and 7,655,653.65 is: 11,481,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,699.84 : 42,602,364.97 = 7,655,653.65 : x
  2. Step 2: Convert to fraction form
    28,405,699.84/42,602,364.97 = 7,655,653.65/x
  3. Step 3: Cross multiply
    28,405,699.84x = 42,602,364.97 × 7,655,653.65
  4. Step 4: Simplify right side
    28,405,699.84x = 326,148,950,881,212.62
  5. Step 5: Solve for x
    x = 326,148,950,881,212.62/28,405,699.84
  6. Step 6: Final answer
    x = 11,481,813.60

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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.