Home / 12,483,750.40-18,725,625.60-7,696,844.80

Finding the Fourth Proportional to 12,483,750.40, 18,725,625.60 and 7,696,844.80

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Solution

The fourth proportional to 12,483,750.40, 18,725,625.60 and 7,696,844.80 is: 11,545,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,750.40 : 18,725,625.60 = 7,696,844.80 : x
  2. Step 2: Convert to fraction form
    12,483,750.40/18,725,625.60 = 7,696,844.80/x
  3. Step 3: Cross multiply
    12,483,750.40x = 18,725,625.60 × 7,696,844.80
  4. Step 4: Simplify right side
    12,483,750.40x = 144,128,234,026,106.88
  5. Step 5: Solve for x
    x = 144,128,234,026,106.88/12,483,750.40
  6. Step 6: Final answer
    x = 11,545,267.20

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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.