Home / 15,520,539.89-21,417,486.28-8,549,846.96

Finding the Fourth Proportional to 15,520,539.89, 21,417,486.28 and 8,549,846.96

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Solution

The fourth proportional to 15,520,539.89, 21,417,486.28 and 8,549,846.96 is: 11,798,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,539.89 : 21,417,486.28 = 8,549,846.96 : x
  2. Step 2: Convert to fraction form
    15,520,539.89/21,417,486.28 = 8,549,846.96/x
  3. Step 3: Cross multiply
    15,520,539.89x = 21,417,486.28 × 8,549,846.96
  4. Step 4: Simplify right side
    15,520,539.89x = 183,116,229,833,437.66
  5. Step 5: Solve for x
    x = 183,116,229,833,437.66/15,520,539.89
  6. Step 6: Final answer
    x = 11,798,315.72

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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.