Home / 21,124,488.79-31,632,161.40-14,579,393.84

Finding the Fourth Proportional to 21,124,488.79, 31,632,161.40 and 14,579,393.84

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Solution

The fourth proportional to 21,124,488.79, 31,632,161.40 and 14,579,393.84 is: 21,831,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124,488.79 : 31,632,161.40 = 14,579,393.84 : x
  2. Step 2: Convert to fraction form
    21,124,488.79/31,632,161.40 = 14,579,393.84/x
  3. Step 3: Cross multiply
    21,124,488.79x = 31,632,161.40 × 14,579,393.84
  4. Step 4: Simplify right side
    21,124,488.79x = 461,177,738,866,436.50
  5. Step 5: Solve for x
    x = 461,177,738,866,436.50/21,124,488.79
  6. Step 6: Final answer
    x = 21,831,427.18

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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.