Home / 40,381,211.60-60,571,817.40-18,808,643.60

Finding the Fourth Proportional to 40,381,211.60, 60,571,817.40 and 18,808,643.60

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Solution

The fourth proportional to 40,381,211.60, 60,571,817.40 and 18,808,643.60 is: 28,212,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,211.60 : 60,571,817.40 = 18,808,643.60 : x
  2. Step 2: Convert to fraction form
    40,381,211.60/60,571,817.40 = 18,808,643.60/x
  3. Step 3: Cross multiply
    40,381,211.60x = 60,571,817.40 × 18,808,643.60
  4. Step 4: Simplify right side
    40,381,211.60x = 1,139,273,725,680,878.75
  5. Step 5: Solve for x
    x = 1,139,273,725,680,878.75/40,381,211.60
  6. Step 6: Final answer
    x = 28,212,965.40

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1.5x scale

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.