Home / 21,204,407.40-31,806,611.10-14,485,943.40

Finding the Fourth Proportional to 21,204,407.40, 31,806,611.10 and 14,485,943.40

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Solution

The fourth proportional to 21,204,407.40, 31,806,611.10 and 14,485,943.40 is: 21,728,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,407.40 : 31,806,611.10 = 14,485,943.40 : x
  2. Step 2: Convert to fraction form
    21,204,407.40/31,806,611.10 = 14,485,943.40/x
  3. Step 3: Cross multiply
    21,204,407.40x = 31,806,611.10 × 14,485,943.40
  4. Step 4: Simplify right side
    21,204,407.40x = 460,748,768,140,411.75
  5. Step 5: Solve for x
    x = 460,748,768,140,411.75/21,204,407.40
  6. Step 6: Final answer
    x = 21,728,915.10

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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.