Home / 28,684,506.48-39,583,467-15,631,487.16

Finding the Fourth Proportional to 28,684,506.48, 39,583,467 and 15,631,487.16

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Solution

The fourth proportional to 28,684,506.48, 39,583,467 and 15,631,487.16 is: 21,570,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684,506.48 : 39,583,467 = 15,631,487.16 : x
  2. Step 2: Convert to fraction form
    28,684,506.48/39,583,467 = 15,631,487.16/x
  3. Step 3: Cross multiply
    28,684,506.48x = 39,583,467 × 15,631,487.16
  4. Step 4: Simplify right side
    28,684,506.48x = 618,748,456,158,783.75
  5. Step 5: Solve for x
    x = 618,748,456,158,783.75/28,684,506.48
  6. Step 6: Final answer
    x = 21,570,824.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.