Home / 30,402,063.20-45,636,272.40-16,965,135.20

Finding the Fourth Proportional to 30,402,063.20, 45,636,272.40 and 16,965,135.20

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Solution

The fourth proportional to 30,402,063.20, 45,636,272.40 and 16,965,135.20 is: 25,466,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,063.20 : 45,636,272.40 = 16,965,135.20 : x
  2. Step 2: Convert to fraction form
    30,402,063.20/45,636,272.40 = 16,965,135.20/x
  3. Step 3: Cross multiply
    30,402,063.20x = 45,636,272.40 × 16,965,135.20
  4. Step 4: Simplify right side
    30,402,063.20x = 774,225,531,290,028.38
  5. Step 5: Solve for x
    x = 774,225,531,290,028.38/30,402,063.20
  6. Step 6: Final answer
    x = 25,466,216.76

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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.