Home / 12,185,271.54-18,248,853.02-7,056,865.89

Finding the Fourth Proportional to 12,185,271.54, 18,248,853.02 and 7,056,865.89

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Solution

The fourth proportional to 12,185,271.54, 18,248,853.02 and 7,056,865.89 is: 10,568,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,271.54 : 18,248,853.02 = 7,056,865.89 : x
  2. Step 2: Convert to fraction form
    12,185,271.54/18,248,853.02 = 7,056,865.89/x
  3. Step 3: Cross multiply
    12,185,271.54x = 18,248,853.02 × 7,056,865.89
  4. Step 4: Simplify right side
    12,185,271.54x = 128,779,708,373,177.16
  5. Step 5: Solve for x
    x = 128,779,708,373,177.16/12,185,271.54
  6. Step 6: Final answer
    x = 10,568,472.60

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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.