Home / 30,434,095.20-42,054,662.78-22,159,743.38

Finding the Fourth Proportional to 30,434,095.20, 42,054,662.78 and 22,159,743.38

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Solution

The fourth proportional to 30,434,095.20, 42,054,662.78 and 22,159,743.38 is: 30,620,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434,095.20 : 42,054,662.78 = 22,159,743.38 : x
  2. Step 2: Convert to fraction form
    30,434,095.20/42,054,662.78 = 22,159,743.38/x
  3. Step 3: Cross multiply
    30,434,095.20x = 42,054,662.78 × 22,159,743.38
  4. Step 4: Simplify right side
    30,434,095.20x = 931,920,534,816,165.38
  5. Step 5: Solve for x
    x = 931,920,534,816,165.38/30,434,095.20
  6. Step 6: Final answer
    x = 30,620,937.76

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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.