Home / 12,879,457.60-19,319,847.92-3,294,918.76

Finding the Fourth Proportional to 12,879,457.60, 19,319,847.92 and 3,294,918.76

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Solution

The fourth proportional to 12,879,457.60, 19,319,847.92 and 3,294,918.76 is: 4,942,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,457.60 : 19,319,847.92 = 3,294,918.76 : x
  2. Step 2: Convert to fraction form
    12,879,457.60/19,319,847.92 = 3,294,918.76/x
  3. Step 3: Cross multiply
    12,879,457.60x = 19,319,847.92 × 3,294,918.76
  4. Step 4: Simplify right side
    12,879,457.60x = 63,657,329,351,954.98
  5. Step 5: Solve for x
    x = 63,657,329,351,954.98/12,879,457.60
  6. Step 6: Final answer
    x = 4,942,547.37

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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.