Home / 28,094,186.64-42,141,296.40-7,899,428.64

Finding the Fourth Proportional to 28,094,186.64, 42,141,296.40 and 7,899,428.64

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Solution

The fourth proportional to 28,094,186.64, 42,141,296.40 and 7,899,428.64 is: 11,849,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094,186.64 : 42,141,296.40 = 7,899,428.64 : x
  2. Step 2: Convert to fraction form
    28,094,186.64/42,141,296.40 = 7,899,428.64/x
  3. Step 3: Cross multiply
    28,094,186.64x = 42,141,296.40 × 7,899,428.64
  4. Step 4: Simplify right side
    28,094,186.64x = 332,892,163,708,888.88
  5. Step 5: Solve for x
    x = 332,892,163,708,888.88/28,094,186.64
  6. Step 6: Final answer
    x = 11,849,147.58

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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.