Home / 28,539,858.51-42,809,667.06-10,339,786.53

Finding the Fourth Proportional to 28,539,858.51, 42,809,667.06 and 10,339,786.53

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Solution

The fourth proportional to 28,539,858.51, 42,809,667.06 and 10,339,786.53 is: 15,509,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,858.51 : 42,809,667.06 = 10,339,786.53 : x
  2. Step 2: Convert to fraction form
    28,539,858.51/42,809,667.06 = 10,339,786.53/x
  3. Step 3: Cross multiply
    28,539,858.51x = 42,809,667.06 × 10,339,786.53
  4. Step 4: Simplify right side
    28,539,858.51x = 442,642,818,820,772.69
  5. Step 5: Solve for x
    x = 442,642,818,820,772.69/28,539,858.51
  6. Step 6: Final answer
    x = 15,509,636.06

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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.