Home / 12,451,069.85-18,679,263.80-4,364,538.93

Finding the Fourth Proportional to 12,451,069.85, 18,679,263.80 and 4,364,538.93

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Solution

The fourth proportional to 12,451,069.85, 18,679,263.80 and 4,364,538.93 is: 6,547,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,069.85 : 18,679,263.80 = 4,364,538.93 : x
  2. Step 2: Convert to fraction form
    12,451,069.85/18,679,263.80 = 4,364,538.93/x
  3. Step 3: Cross multiply
    12,451,069.85x = 18,679,263.80 × 4,364,538.93
  4. Step 4: Simplify right side
    12,451,069.85x = 81,526,374,017,017.05
  5. Step 5: Solve for x
    x = 81,526,374,017,017.05/12,451,069.85
  6. Step 6: Final answer
    x = 6,547,740.48

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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.