Home / 21,201,811.40-31,802,717.10-14,483,347.40

Finding the Fourth Proportional to 21,201,811.40, 31,802,717.10 and 14,483,347.40

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Solution

The fourth proportional to 21,201,811.40, 31,802,717.10 and 14,483,347.40 is: 21,725,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,201,811.40 : 31,802,717.10 = 14,483,347.40 : x
  2. Step 2: Convert to fraction form
    21,201,811.40/31,802,717.10 = 14,483,347.40/x
  3. Step 3: Cross multiply
    21,201,811.40x = 31,802,717.10 × 14,483,347.40
  4. Step 4: Simplify right side
    21,201,811.40x = 460,609,800,023,220.56
  5. Step 5: Solve for x
    x = 460,609,800,023,220.56/21,201,811.40
  6. Step 6: Final answer
    x = 21,725,021.10

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1.5x scale

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.