Home / 8,638,927.74-11,921,649.48-4,718,686.50

Finding the Fourth Proportional to 8,638,927.74, 11,921,649.48 and 4,718,686.50

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Solution

The fourth proportional to 8,638,927.74, 11,921,649.48 and 4,718,686.50 is: 6,511,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,927.74 : 11,921,649.48 = 4,718,686.50 : x
  2. Step 2: Convert to fraction form
    8,638,927.74/11,921,649.48 = 4,718,686.50/x
  3. Step 3: Cross multiply
    8,638,927.74x = 11,921,649.48 × 4,718,686.50
  4. Step 4: Simplify right side
    8,638,927.74x = 56,254,526,459,008.02
  5. Step 5: Solve for x
    x = 56,254,526,459,008.02/8,638,927.74
  6. Step 6: Final answer
    x = 6,511,748.70

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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.