Home / 8,638,911.55-11,921,627.05-4,718,670.16

Finding the Fourth Proportional to 8,638,911.55, 11,921,627.05 and 4,718,670.16

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Solution

The fourth proportional to 8,638,911.55, 11,921,627.05 and 4,718,670.16 is: 6,511,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,911.55 : 11,921,627.05 = 4,718,670.16 : x
  2. Step 2: Convert to fraction form
    8,638,911.55/11,921,627.05 = 4,718,670.16/x
  3. Step 3: Cross multiply
    8,638,911.55x = 11,921,627.05 × 4,718,670.16
  4. Step 4: Simplify right side
    8,638,911.55x = 56,254,225,819,483.84
  5. Step 5: Solve for x
    x = 56,254,225,819,483.84/8,638,911.55
  6. Step 6: Final answer
    x = 6,511,726.10

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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.