Home / 30,569,149.62-42,185,425.05-16,817,818.50

Finding the Fourth Proportional to 30,569,149.62, 42,185,425.05 and 16,817,818.50

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Solution

The fourth proportional to 30,569,149.62, 42,185,425.05 and 16,817,818.50 is: 23,208,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569,149.62 : 42,185,425.05 = 16,817,818.50 : x
  2. Step 2: Convert to fraction form
    30,569,149.62/42,185,425.05 = 16,817,818.50/x
  3. Step 3: Cross multiply
    30,569,149.62x = 42,185,425.05 × 16,817,818.50
  4. Step 4: Simplify right side
    30,569,149.62x = 709,466,821,836,253.38
  5. Step 5: Solve for x
    x = 709,466,821,836,253.38/30,569,149.62
  6. Step 6: Final answer
    x = 23,208,588.75

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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.