Home / 13,248,819.20-19,873,228.80-13,164,838.40

Finding the Fourth Proportional to 13,248,819.20, 19,873,228.80 and 13,164,838.40

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Solution

The fourth proportional to 13,248,819.20, 19,873,228.80 and 13,164,838.40 is: 19,747,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,819.20 : 19,873,228.80 = 13,164,838.40 : x
  2. Step 2: Convert to fraction form
    13,248,819.20/19,873,228.80 = 13,164,838.40/x
  3. Step 3: Cross multiply
    13,248,819.20x = 19,873,228.80 × 13,164,838.40
  4. Step 4: Simplify right side
    13,248,819.20x = 261,627,845,638,225.94
  5. Step 5: Solve for x
    x = 261,627,845,638,225.94/13,248,819.20
  6. Step 6: Final answer
    x = 19,747,257.60

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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.