Home / 30,438,668.88-45,653,804.28-16,816,983.12

Finding the Fourth Proportional to 30,438,668.88, 45,653,804.28 and 16,816,983.12

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Solution

The fourth proportional to 30,438,668.88, 45,653,804.28 and 16,816,983.12 is: 25,223,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438,668.88 : 45,653,804.28 = 16,816,983.12 : x
  2. Step 2: Convert to fraction form
    30,438,668.88/45,653,804.28 = 16,816,983.12/x
  3. Step 3: Cross multiply
    30,438,668.88x = 45,653,804.28 × 16,816,983.12
  4. Step 4: Simplify right side
    30,438,668.88x = 767,759,255,940,543.88
  5. Step 5: Solve for x
    x = 767,759,255,940,543.88/30,438,668.88
  6. Step 6: Final answer
    x = 25,223,154.76

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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.