Home / 30,437,981.41-45,656,306.70-7,409,037.55

Finding the Fourth Proportional to 30,437,981.41, 45,656,306.70 and 7,409,037.55

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Solution

The fourth proportional to 30,437,981.41, 45,656,306.70 and 7,409,037.55 is: 11,113,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437,981.41 : 45,656,306.70 = 7,409,037.55 : x
  2. Step 2: Convert to fraction form
    30,437,981.41/45,656,306.70 = 7,409,037.55/x
  3. Step 3: Cross multiply
    30,437,981.41x = 45,656,306.70 × 7,409,037.55
  4. Step 4: Simplify right side
    30,437,981.41x = 338,269,290,734,616.62
  5. Step 5: Solve for x
    x = 338,269,290,734,616.62/30,437,981.41
  6. Step 6: Final answer
    x = 11,113,394.35

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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.