Home / 30,965,513.40-42,733,639.76-17,028,011.17

Finding the Fourth Proportional to 30,965,513.40, 42,733,639.76 and 17,028,011.17

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Solution

The fourth proportional to 30,965,513.40, 42,733,639.76 and 17,028,011.17 is: 23,499,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965,513.40 : 42,733,639.76 = 17,028,011.17 : x
  2. Step 2: Convert to fraction form
    30,965,513.40/42,733,639.76 = 17,028,011.17/x
  3. Step 3: Cross multiply
    30,965,513.40x = 42,733,639.76 × 17,028,011.17
  4. Step 4: Simplify right side
    30,965,513.40x = 727,668,895,136,313.12
  5. Step 5: Solve for x
    x = 727,668,895,136,313.12/30,965,513.40
  6. Step 6: Final answer
    x = 23,499,332.49

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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.