Home / 15,878,939.69-23,820,377.84-4,520,274.05

Finding the Fourth Proportional to 15,878,939.69, 23,820,377.84 and 4,520,274.05

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Solution

The fourth proportional to 15,878,939.69, 23,820,377.84 and 4,520,274.05 is: 6,780,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878,939.69 : 23,820,377.84 = 4,520,274.05 : x
  2. Step 2: Convert to fraction form
    15,878,939.69/23,820,377.84 = 4,520,274.05/x
  3. Step 3: Cross multiply
    15,878,939.69x = 23,820,377.84 × 4,520,274.05
  4. Step 4: Simplify right side
    15,878,939.69x = 107,674,635,865,247.67
  5. Step 5: Solve for x
    x = 107,674,635,865,247.67/15,878,939.69
  6. Step 6: Final answer
    x = 6,780,971.40

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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.