Home / 13,099,674.36-18,077,674.18-7,219,520.58

Finding the Fourth Proportional to 13,099,674.36, 18,077,674.18 and 7,219,520.58

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Solution

The fourth proportional to 13,099,674.36, 18,077,674.18 and 7,219,520.58 is: 9,963,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,674.36 : 18,077,674.18 = 7,219,520.58 : x
  2. Step 2: Convert to fraction form
    13,099,674.36/18,077,674.18 = 7,219,520.58/x
  3. Step 3: Cross multiply
    13,099,674.36x = 18,077,674.18 × 7,219,520.58
  4. Step 4: Simplify right side
    13,099,674.36x = 130,512,140,781,044.62
  5. Step 5: Solve for x
    x = 130,512,140,781,044.62/13,099,674.36
  6. Step 6: Final answer
    x = 9,963,006.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.