Home / 7,677,970.60-11,520,930.30-3,132,351.40

Finding the Fourth Proportional to 7,677,970.60, 11,520,930.30 and 3,132,351.40

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Solution

The fourth proportional to 7,677,970.60, 11,520,930.30 and 3,132,351.40 is: 4,700,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,970.60 : 11,520,930.30 = 3,132,351.40 : x
  2. Step 2: Convert to fraction form
    7,677,970.60/11,520,930.30 = 3,132,351.40/x
  3. Step 3: Cross multiply
    7,677,970.60x = 11,520,930.30 × 3,132,351.40
  4. Step 4: Simplify right side
    7,677,970.60x = 36,087,602,154,507.42
  5. Step 5: Solve for x
    x = 36,087,602,154,507.42/7,677,970.60
  6. Step 6: Final answer
    x = 4,700,148.52

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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.