Home / 30,176,230.58-45,263,903.34-7,457,128.10

Finding the Fourth Proportional to 30,176,230.58, 45,263,903.34 and 7,457,128.10

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Solution

The fourth proportional to 30,176,230.58, 45,263,903.34 and 7,457,128.10 is: 11,185,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176,230.58 : 45,263,903.34 = 7,457,128.10 : x
  2. Step 2: Convert to fraction form
    30,176,230.58/45,263,903.34 = 7,457,128.10/x
  3. Step 3: Cross multiply
    30,176,230.58x = 45,263,903.34 × 7,457,128.10
  4. Step 4: Simplify right side
    30,176,230.58x = 337,538,725,512,397.88
  5. Step 5: Solve for x
    x = 337,538,725,512,397.88/30,176,230.58
  6. Step 6: Final answer
    x = 11,185,582.79

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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.