Home / 42,512,912.63-63,779,487.75-13,759,048.25

Finding the Fourth Proportional to 42,512,912.63, 63,779,487.75 and 13,759,048.25

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Solution

The fourth proportional to 42,512,912.63, 63,779,487.75 and 13,759,048.25 is: 20,641,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512,912.63 : 63,779,487.75 = 13,759,048.25 : x
  2. Step 2: Convert to fraction form
    42,512,912.63/63,779,487.75 = 13,759,048.25/x
  3. Step 3: Cross multiply
    42,512,912.63x = 63,779,487.75 × 13,759,048.25
  4. Step 4: Simplify right side
    42,512,912.63x = 877,545,048,993,636.50
  5. Step 5: Solve for x
    x = 877,545,048,993,636.50/42,512,912.63
  6. Step 6: Final answer
    x = 20,641,847.26

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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.