Home / 30,388,340.12-41,935,890.12-16,637,300.60

Finding the Fourth Proportional to 30,388,340.12, 41,935,890.12 and 16,637,300.60

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Solution

The fourth proportional to 30,388,340.12, 41,935,890.12 and 16,637,300.60 is: 22,959,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388,340.12 : 41,935,890.12 = 16,637,300.60 : x
  2. Step 2: Convert to fraction form
    30,388,340.12/41,935,890.12 = 16,637,300.60/x
  3. Step 3: Cross multiply
    30,388,340.12x = 41,935,890.12 × 16,637,300.60
  4. Step 4: Simplify right side
    30,388,340.12x = 697,700,009,855,010
  5. Step 5: Solve for x
    x = 697,700,009,855,010/30,388,340.12
  6. Step 6: Final answer
    x = 22,959,464.29

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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.