Home / 25,407,829.90-38,111,669.42-7,212,040.47

Finding the Fourth Proportional to 25,407,829.90, 38,111,669.42 and 7,212,040.47

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Solution

The fourth proportional to 25,407,829.90, 38,111,669.42 and 7,212,040.47 is: 10,818,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407,829.90 : 38,111,669.42 = 7,212,040.47 : x
  2. Step 2: Convert to fraction form
    25,407,829.90/38,111,669.42 = 7,212,040.47/x
  3. Step 3: Cross multiply
    25,407,829.90x = 38,111,669.42 × 7,212,040.47
  4. Step 4: Simplify right side
    25,407,829.90x = 274,862,902,254,331.50
  5. Step 5: Solve for x
    x = 274,862,902,254,331.50/25,407,829.90
  6. Step 6: Final answer
    x = 10,818,039.30

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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.