Home / 30,355,221.40-45,517,085.70-11,176,106.20

Finding the Fourth Proportional to 30,355,221.40, 45,517,085.70 and 11,176,106.20

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Solution

The fourth proportional to 30,355,221.40, 45,517,085.70 and 11,176,106.20 is: 16,758,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355,221.40 : 45,517,085.70 = 11,176,106.20 : x
  2. Step 2: Convert to fraction form
    30,355,221.40/45,517,085.70 = 11,176,106.20/x
  3. Step 3: Cross multiply
    30,355,221.40x = 45,517,085.70 × 11,176,106.20
  4. Step 4: Simplify right side
    30,355,221.40x = 508,703,783,697,701.31
  5. Step 5: Solve for x
    x = 508,703,783,697,701.31/30,355,221.40
  6. Step 6: Final answer
    x = 16,758,361.83

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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.