Home / 9,072,312-13,603,743.12-4,278,714.18

Finding the Fourth Proportional to 9,072,312, 13,603,743.12 and 4,278,714.18

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Solution

The fourth proportional to 9,072,312, 13,603,743.12 and 4,278,714.18 is: 6,415,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,312 : 13,603,743.12 = 4,278,714.18 : x
  2. Step 2: Convert to fraction form
    9,072,312/13,603,743.12 = 4,278,714.18/x
  3. Step 3: Cross multiply
    9,072,312x = 13,603,743.12 × 4,278,714.18
  4. Step 4: Simplify right side
    9,072,312x = 58,206,528,588,621.44
  5. Step 5: Solve for x
    x = 58,206,528,588,621.44/9,072,312
  6. Step 6: Final answer
    x = 6,415,842.91

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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.