Home / 30,210,151.80-45,308,930.10-11,049,934.20

Finding the Fourth Proportional to 30,210,151.80, 45,308,930.10 and 11,049,934.20

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Solution

The fourth proportional to 30,210,151.80, 45,308,930.10 and 11,049,934.20 is: 16,572,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210,151.80 : 45,308,930.10 = 11,049,934.20 : x
  2. Step 2: Convert to fraction form
    30,210,151.80/45,308,930.10 = 11,049,934.20/x
  3. Step 3: Cross multiply
    30,210,151.80x = 45,308,930.10 × 11,049,934.20
  4. Step 4: Simplify right side
    30,210,151.80x = 500,660,696,277,399.38
  5. Step 5: Solve for x
    x = 500,660,696,277,399.38/30,210,151.80
  6. Step 6: Final answer
    x = 16,572,597.83

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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.