Home / 7,919,107.21-10,928,368.03-4,297,435.21

Finding the Fourth Proportional to 7,919,107.21, 10,928,368.03 and 4,297,435.21

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Solution

The fourth proportional to 7,919,107.21, 10,928,368.03 and 4,297,435.21 is: 5,930,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,107.21 : 10,928,368.03 = 4,297,435.21 : x
  2. Step 2: Convert to fraction form
    7,919,107.21/10,928,368.03 = 4,297,435.21/x
  3. Step 3: Cross multiply
    7,919,107.21x = 10,928,368.03 × 4,297,435.21
  4. Step 4: Simplify right side
    7,919,107.21x = 46,963,953,559,960.34
  5. Step 5: Solve for x
    x = 46,963,953,559,960.34/7,919,107.21
  6. Step 6: Final answer
    x = 5,930,460.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.