Home / 30,307,419.46-45,461,523.12-10,112,661.46

Finding the Fourth Proportional to 30,307,419.46, 45,461,523.12 and 10,112,661.46

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Solution

The fourth proportional to 30,307,419.46, 45,461,523.12 and 10,112,661.46 is: 15,169,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,419.46 : 45,461,523.12 = 10,112,661.46 : x
  2. Step 2: Convert to fraction form
    30,307,419.46/45,461,523.12 = 10,112,661.46/x
  3. Step 3: Cross multiply
    30,307,419.46x = 45,461,523.12 × 10,112,661.46
  4. Step 4: Simplify right side
    30,307,419.46x = 459,736,992,768,522.94
  5. Step 5: Solve for x
    x = 459,736,992,768,522.94/30,307,419.46
  6. Step 6: Final answer
    x = 15,169,123.63

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1.5x scale

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.