Home / 30,307,407.56-45,461,505.31-10,112,649.56

Finding the Fourth Proportional to 30,307,407.56, 45,461,505.31 and 10,112,649.56

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Solution

The fourth proportional to 30,307,407.56, 45,461,505.31 and 10,112,649.56 is: 15,169,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,407.56 : 45,461,505.31 = 10,112,649.56 : x
  2. Step 2: Convert to fraction form
    30,307,407.56/45,461,505.31 = 10,112,649.56/x
  3. Step 3: Cross multiply
    30,307,407.56x = 45,461,505.31 × 10,112,649.56
  4. Step 4: Simplify right side
    30,307,407.56x = 459,736,271,758,481.25
  5. Step 5: Solve for x
    x = 459,736,271,758,481.25/30,307,407.56
  6. Step 6: Final answer
    x = 15,169,105.80

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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.