Home / 7,018,385.40-10,509,863.40-4,609,186.20

Finding the Fourth Proportional to 7,018,385.40, 10,509,863.40 and 4,609,186.20

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Solution

The fourth proportional to 7,018,385.40, 10,509,863.40 and 4,609,186.20 is: 6,902,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,385.40 : 10,509,863.40 = 4,609,186.20 : x
  2. Step 2: Convert to fraction form
    7,018,385.40/10,509,863.40 = 4,609,186.20/x
  3. Step 3: Cross multiply
    7,018,385.40x = 10,509,863.40 × 4,609,186.20
  4. Step 4: Simplify right side
    7,018,385.40x = 48,441,917,347,165.09
  5. Step 5: Solve for x
    x = 48,441,917,347,165.09/7,018,385.40
  6. Step 6: Final answer
    x = 6,902,145.52

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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.