Home / 14,020,038.63-19,347,680.07-7,740,578.10

Finding the Fourth Proportional to 14,020,038.63, 19,347,680.07 and 7,740,578.10

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Solution

The fourth proportional to 14,020,038.63, 19,347,680.07 and 7,740,578.10 is: 10,682,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,038.63 : 19,347,680.07 = 7,740,578.10 : x
  2. Step 2: Convert to fraction form
    14,020,038.63/19,347,680.07 = 7,740,578.10/x
  3. Step 3: Cross multiply
    14,020,038.63x = 19,347,680.07 × 7,740,578.10
  4. Step 4: Simplify right side
    14,020,038.63x = 149,762,228,635,648.47
  5. Step 5: Solve for x
    x = 149,762,228,635,648.47/14,020,038.63
  6. Step 6: Final answer
    x = 10,682,012.55

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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.