Home / 7,841,827.40-11,762,741.10-5,154,441.80

Finding the Fourth Proportional to 7,841,827.40, 11,762,741.10 and 5,154,441.80

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Solution

The fourth proportional to 7,841,827.40, 11,762,741.10 and 5,154,441.80 is: 7,731,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841,827.40 : 11,762,741.10 = 5,154,441.80 : x
  2. Step 2: Convert to fraction form
    7,841,827.40/11,762,741.10 = 5,154,441.80/x
  3. Step 3: Cross multiply
    7,841,827.40x = 11,762,741.10 × 5,154,441.80
  4. Step 4: Simplify right side
    7,841,827.40x = 60,630,364,408,417.98
  5. Step 5: Solve for x
    x = 60,630,364,408,417.98/7,841,827.40
  6. Step 6: Final answer
    x = 7,731,662.70

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Double scale
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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.