Home / 9,170,639.50-12,642,144.33-6,408,752.26

Finding the Fourth Proportional to 9,170,639.50, 12,642,144.33 and 6,408,752.26

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Solution

The fourth proportional to 9,170,639.50, 12,642,144.33 and 6,408,752.26 is: 8,834,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,639.50 : 12,642,144.33 = 6,408,752.26 : x
  2. Step 2: Convert to fraction form
    9,170,639.50/12,642,144.33 = 6,408,752.26/x
  3. Step 3: Cross multiply
    9,170,639.50x = 12,642,144.33 × 6,408,752.26
  4. Step 4: Simplify right side
    9,170,639.50x = 81,020,371,046,133.69
  5. Step 5: Solve for x
    x = 81,020,371,046,133.69/9,170,639.50
  6. Step 6: Final answer
    x = 8,834,756.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.