Home / 30,207,966.70-45,311,950.05-18,728,841.10

Finding the Fourth Proportional to 30,207,966.70, 45,311,950.05 and 18,728,841.10

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Solution

The fourth proportional to 30,207,966.70, 45,311,950.05 and 18,728,841.10 is: 28,093,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207,966.70 : 45,311,950.05 = 18,728,841.10 : x
  2. Step 2: Convert to fraction form
    30,207,966.70/45,311,950.05 = 18,728,841.10/x
  3. Step 3: Cross multiply
    30,207,966.70x = 45,311,950.05 × 18,728,841.10
  4. Step 4: Simplify right side
    30,207,966.70x = 848,640,312,417,587.12
  5. Step 5: Solve for x
    x = 848,640,312,417,587.12/30,207,966.70
  6. Step 6: Final answer
    x = 28,093,261.65

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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.