Home / 6,918,678.40-10,378,017.06-3,506,433.52

Finding the Fourth Proportional to 6,918,678.40, 10,378,017.06 and 3,506,433.52

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Solution

The fourth proportional to 6,918,678.40, 10,378,017.06 and 3,506,433.52 is: 5,259,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,678.40 : 10,378,017.06 = 3,506,433.52 : x
  2. Step 2: Convert to fraction form
    6,918,678.40/10,378,017.06 = 3,506,433.52/x
  3. Step 3: Cross multiply
    6,918,678.40x = 10,378,017.06 × 3,506,433.52
  4. Step 4: Simplify right side
    6,918,678.40x = 36,389,826,890,315.85
  5. Step 5: Solve for x
    x = 36,389,826,890,315.85/6,918,678.40
  6. Step 6: Final answer
    x = 5,259,650.01

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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.