Home / 10,692,541.20-16,038,811.80-3,120,272.40

Finding the Fourth Proportional to 10,692,541.20, 16,038,811.80 and 3,120,272.40

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Solution

The fourth proportional to 10,692,541.20, 16,038,811.80 and 3,120,272.40 is: 4,680,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,541.20 : 16,038,811.80 = 3,120,272.40 : x
  2. Step 2: Convert to fraction form
    10,692,541.20/16,038,811.80 = 3,120,272.40/x
  3. Step 3: Cross multiply
    10,692,541.20x = 16,038,811.80 × 3,120,272.40
  4. Step 4: Simplify right side
    10,692,541.20x = 50,045,461,788,334.32
  5. Step 5: Solve for x
    x = 50,045,461,788,334.32/10,692,541.20
  6. Step 6: Final answer
    x = 4,680,408.60

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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.