Home / 30,660,191.49-42,311,106.24-16,721,580.27

Finding the Fourth Proportional to 30,660,191.49, 42,311,106.24 and 16,721,580.27

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Solution

The fourth proportional to 30,660,191.49, 42,311,106.24 and 16,721,580.27 is: 23,075,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,191.49 : 42,311,106.24 = 16,721,580.27 : x
  2. Step 2: Convert to fraction form
    30,660,191.49/42,311,106.24 = 16,721,580.27/x
  3. Step 3: Cross multiply
    30,660,191.49x = 42,311,106.24 × 16,721,580.27
  4. Step 4: Simplify right side
    30,660,191.49x = 707,508,559,304,657.88
  5. Step 5: Solve for x
    x = 707,508,559,304,657.88/30,660,191.49
  6. Step 6: Final answer
    x = 23,075,803.67

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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.