Home / 30,310,506.12-45,460,281.86-8,739,804.36

Finding the Fourth Proportional to 30,310,506.12, 45,460,281.86 and 8,739,804.36

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Solution

The fourth proportional to 30,310,506.12, 45,460,281.86 and 8,739,804.36 is: 13,108,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,506.12 : 45,460,281.86 = 8,739,804.36 : x
  2. Step 2: Convert to fraction form
    30,310,506.12/45,460,281.86 = 8,739,804.36/x
  3. Step 3: Cross multiply
    30,310,506.12x = 45,460,281.86 × 8,739,804.36
  4. Step 4: Simplify right side
    30,310,506.12x = 397,313,969,606,856.88
  5. Step 5: Solve for x
    x = 397,313,969,606,856.88/30,310,506.12
  6. Step 6: Final answer
    x = 13,108,127.20

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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.