Home / 12,640,271.11-17,438,611.02-7,341,064

Finding the Fourth Proportional to 12,640,271.11, 17,438,611.02 and 7,341,064

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Solution

The fourth proportional to 12,640,271.11, 17,438,611.02 and 7,341,064 is: 10,127,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,271.11 : 17,438,611.02 = 7,341,064 : x
  2. Step 2: Convert to fraction form
    12,640,271.11/17,438,611.02 = 7,341,064/x
  3. Step 3: Cross multiply
    12,640,271.11x = 17,438,611.02 × 7,341,064
  4. Step 4: Simplify right side
    12,640,271.11x = 128,017,959,568,925.28
  5. Step 5: Solve for x
    x = 128,017,959,568,925.28/12,640,271.11
  6. Step 6: Final answer
    x = 10,127,785.90

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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.