Home / 7,772,221.61-11,634,071.38-5,725,189.61

Finding the Fourth Proportional to 7,772,221.61, 11,634,071.38 and 5,725,189.61

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Solution

The fourth proportional to 7,772,221.61, 11,634,071.38 and 5,725,189.61 is: 8,569,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,221.61 : 11,634,071.38 = 5,725,189.61 : x
  2. Step 2: Convert to fraction form
    7,772,221.61/11,634,071.38 = 5,725,189.61/x
  3. Step 3: Cross multiply
    7,772,221.61x = 11,634,071.38 × 5,725,189.61
  4. Step 4: Simplify right side
    7,772,221.61x = 66,607,264,586,774.37
  5. Step 5: Solve for x
    x = 66,607,264,586,774.37/7,772,221.61
  6. Step 6: Final answer
    x = 8,569,913.20

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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.