Home / 19,252,274.20-28,878,411.30-12,449,829.40

Finding the Fourth Proportional to 19,252,274.20, 28,878,411.30 and 12,449,829.40

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Solution

The fourth proportional to 19,252,274.20, 28,878,411.30 and 12,449,829.40 is: 18,674,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252,274.20 : 28,878,411.30 = 12,449,829.40 : x
  2. Step 2: Convert to fraction form
    19,252,274.20/28,878,411.30 = 12,449,829.40/x
  3. Step 3: Cross multiply
    19,252,274.20x = 28,878,411.30 × 12,449,829.40
  4. Step 4: Simplify right side
    19,252,274.20x = 359,531,294,028,032.25
  5. Step 5: Solve for x
    x = 359,531,294,028,032.25/19,252,274.20
  6. Step 6: Final answer
    x = 18,674,744.10

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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.