Home / 15,783,106.64-23,660,442.72-5,678,618

Finding the Fourth Proportional to 15,783,106.64, 23,660,442.72 and 5,678,618

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Solution

The fourth proportional to 15,783,106.64, 23,660,442.72 and 5,678,618 is: 8,512,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,106.64 : 23,660,442.72 = 5,678,618 : x
  2. Step 2: Convert to fraction form
    15,783,106.64/23,660,442.72 = 5,678,618/x
  3. Step 3: Cross multiply
    15,783,106.64x = 23,660,442.72 × 5,678,618
  4. Step 4: Simplify right side
    15,783,106.64x = 134,358,615,917,760.95
  5. Step 5: Solve for x
    x = 134,358,615,917,760.95/15,783,106.64
  6. Step 6: Final answer
    x = 8,512,811.77

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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.