Home / 30,553,221.84-42,162,605.34-16,802,185.96

Finding the Fourth Proportional to 30,553,221.84, 42,162,605.34 and 16,802,185.96

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Solution

The fourth proportional to 30,553,221.84, 42,162,605.34 and 16,802,185.96 is: 23,186,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,221.84 : 42,162,605.34 = 16,802,185.96 : x
  2. Step 2: Convert to fraction form
    30,553,221.84/42,162,605.34 = 16,802,185.96/x
  3. Step 3: Cross multiply
    30,553,221.84x = 42,162,605.34 × 16,802,185.96
  4. Step 4: Simplify right side
    30,553,221.84x = 708,423,935,564,993.12
  5. Step 5: Solve for x
    x = 708,423,935,564,993.12/30,553,221.84
  6. Step 6: Final answer
    x = 23,186,554.25

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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.