Home / 12,585,852.81-17,369,810.24-7,693,938.81

Finding the Fourth Proportional to 12,585,852.81, 17,369,810.24 and 7,693,938.81

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Solution

The fourth proportional to 12,585,852.81, 17,369,810.24 and 7,693,938.81 is: 10,618,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,852.81 : 17,369,810.24 = 7,693,938.81 : x
  2. Step 2: Convert to fraction form
    12,585,852.81/17,369,810.24 = 7,693,938.81/x
  3. Step 3: Cross multiply
    12,585,852.81x = 17,369,810.24 × 7,693,938.81
  4. Step 4: Simplify right side
    12,585,852.81x = 133,642,257,089,401.70
  5. Step 5: Solve for x
    x = 133,642,257,089,401.70/12,585,852.81
  6. Step 6: Final answer
    x = 10,618,450.66

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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.