Home / 28,446,697.83-39,256,442.12-15,393,956.61

Finding the Fourth Proportional to 28,446,697.83, 39,256,442.12 and 15,393,956.61

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Solution

The fourth proportional to 28,446,697.83, 39,256,442.12 and 15,393,956.61 is: 21,243,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,697.83 : 39,256,442.12 = 15,393,956.61 : x
  2. Step 2: Convert to fraction form
    28,446,697.83/39,256,442.12 = 15,393,956.61/x
  3. Step 3: Cross multiply
    28,446,697.83x = 39,256,442.12 × 15,393,956.61
  4. Step 4: Simplify right side
    28,446,697.83x = 604,311,966,658,256.38
  5. Step 5: Solve for x
    x = 604,311,966,658,256.38/28,446,697.83
  6. Step 6: Final answer
    x = 21,243,659.64

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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.