Home / 7,212,547.36-9,953,582.80-4,115,573.92

Finding the Fourth Proportional to 7,212,547.36, 9,953,582.80 and 4,115,573.92

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Solution

The fourth proportional to 7,212,547.36, 9,953,582.80 and 4,115,573.92 is: 5,679,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,547.36 : 9,953,582.80 = 4,115,573.92 : x
  2. Step 2: Convert to fraction form
    7,212,547.36/9,953,582.80 = 4,115,573.92/x
  3. Step 3: Cross multiply
    7,212,547.36x = 9,953,582.80 × 4,115,573.92
  4. Step 4: Simplify right side
    7,212,547.36x = 40,964,705,782,240.58
  5. Step 5: Solve for x
    x = 40,964,705,782,240.58/7,212,547.36
  6. Step 6: Final answer
    x = 5,679,644.62

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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.