Home / 25,640,021.20-38,460,031.80-8,596,584.40

Finding the Fourth Proportional to 25,640,021.20, 38,460,031.80 and 8,596,584.40

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Solution

The fourth proportional to 25,640,021.20, 38,460,031.80 and 8,596,584.40 is: 12,894,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640,021.20 : 38,460,031.80 = 8,596,584.40 : x
  2. Step 2: Convert to fraction form
    25,640,021.20/38,460,031.80 = 8,596,584.40/x
  3. Step 3: Cross multiply
    25,640,021.20x = 38,460,031.80 × 8,596,584.40
  4. Step 4: Simplify right side
    25,640,021.20x = 330,624,909,395,383.94
  5. Step 5: Solve for x
    x = 330,624,909,395,383.94/25,640,021.20
  6. Step 6: Final answer
    x = 12,894,876.60

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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.