Home / 28,528,301.70-42,716,868.48-15,036,786.18

Finding the Fourth Proportional to 28,528,301.70, 42,716,868.48 and 15,036,786.18

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Solution

The fourth proportional to 28,528,301.70, 42,716,868.48 and 15,036,786.18 is: 22,515,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528,301.70 : 42,716,868.48 = 15,036,786.18 : x
  2. Step 2: Convert to fraction form
    28,528,301.70/42,716,868.48 = 15,036,786.18/x
  3. Step 3: Cross multiply
    28,528,301.70x = 42,716,868.48 × 15,036,786.18
  4. Step 4: Simplify right side
    28,528,301.70x = 642,324,417,612,941.50
  5. Step 5: Solve for x
    x = 642,324,417,612,941.50/28,528,301.70
  6. Step 6: Final answer
    x = 22,515,340.18

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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.