Home / 7,014,934.80-10,520,215.20-2,756,408.40

Finding the Fourth Proportional to 7,014,934.80, 10,520,215.20 and 2,756,408.40

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Solution

The fourth proportional to 7,014,934.80, 10,520,215.20 and 2,756,408.40 is: 4,133,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014,934.80 : 10,520,215.20 = 2,756,408.40 : x
  2. Step 2: Convert to fraction form
    7,014,934.80/10,520,215.20 = 2,756,408.40/x
  3. Step 3: Cross multiply
    7,014,934.80x = 10,520,215.20 × 2,756,408.40
  4. Step 4: Simplify right side
    7,014,934.80x = 28,998,009,547,087.68
  5. Step 5: Solve for x
    x = 28,998,009,547,087.68/7,014,934.80
  6. Step 6: Final answer
    x = 4,133,753.25

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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.