Home / 12,108,301.77-18,172,946.36-6,355,099.29

Finding the Fourth Proportional to 12,108,301.77, 18,172,946.36 and 6,355,099.29

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Solution

The fourth proportional to 12,108,301.77, 18,172,946.36 and 6,355,099.29 is: 9,538,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,301.77 : 18,172,946.36 = 6,355,099.29 : x
  2. Step 2: Convert to fraction form
    12,108,301.77/18,172,946.36 = 6,355,099.29/x
  3. Step 3: Cross multiply
    12,108,301.77x = 18,172,946.36 × 6,355,099.29
  4. Step 4: Simplify right side
    12,108,301.77x = 115,490,878,477,868.59
  5. Step 5: Solve for x
    x = 115,490,878,477,868.59/12,108,301.77
  6. Step 6: Final answer
    x = 9,538,156.60

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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.