Home / 8,042,947-12,064,315.40-1,977,731.26

Finding the Fourth Proportional to 8,042,947, 12,064,315.40 and 1,977,731.26

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Solution

The fourth proportional to 8,042,947, 12,064,315.40 and 1,977,731.26 is: 2,966,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,947 : 12,064,315.40 = 1,977,731.26 : x
  2. Step 2: Convert to fraction form
    8,042,947/12,064,315.40 = 1,977,731.26/x
  3. Step 3: Cross multiply
    8,042,947x = 12,064,315.40 × 1,977,731.26
  4. Step 4: Simplify right side
    8,042,947x = 23,859,973,697,079.41
  5. Step 5: Solve for x
    x = 23,859,973,697,079.41/8,042,947
  6. Step 6: Final answer
    x = 2,966,571.05

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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.