Home / 30,553,520.82-42,163,017.57-16,802,484.90

Finding the Fourth Proportional to 30,553,520.82, 42,163,017.57 and 16,802,484.90

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Solution

The fourth proportional to 30,553,520.82, 42,163,017.57 and 16,802,484.90 is: 23,186,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,520.82 : 42,163,017.57 = 16,802,484.90 : x
  2. Step 2: Convert to fraction form
    30,553,520.82/42,163,017.57 = 16,802,484.90/x
  3. Step 3: Cross multiply
    30,553,520.82x = 42,163,017.57 × 16,802,484.90
  4. Step 4: Simplify right side
    30,553,520.82x = 708,443,466,058,359.62
  5. Step 5: Solve for x
    x = 708,443,466,058,359.62/30,553,520.82
  6. Step 6: Final answer
    x = 23,186,966.58

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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.