Home / 15,519,856.98-21,417,409.35-8,997,267.90

Finding the Fourth Proportional to 15,519,856.98, 21,417,409.35 and 8,997,267.90

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Solution

The fourth proportional to 15,519,856.98, 21,417,409.35 and 8,997,267.90 is: 12,416,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,856.98 : 21,417,409.35 = 8,997,267.90 : x
  2. Step 2: Convert to fraction form
    15,519,856.98/21,417,409.35 = 8,997,267.90/x
  3. Step 3: Cross multiply
    15,519,856.98x = 21,417,409.35 × 8,997,267.90
  4. Step 4: Simplify right side
    15,519,856.98x = 192,698,169,645,914.88
  5. Step 5: Solve for x
    x = 192,698,169,645,914.88/15,519,856.98
  6. Step 6: Final answer
    x = 12,416,233.60

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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.