Home / 30,578,606.18-42,197,930.77-16,639,485.87

Finding the Fourth Proportional to 30,578,606.18, 42,197,930.77 and 16,639,485.87

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Solution

The fourth proportional to 30,578,606.18, 42,197,930.77 and 16,639,485.87 is: 22,962,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,606.18 : 42,197,930.77 = 16,639,485.87 : x
  2. Step 2: Convert to fraction form
    30,578,606.18/42,197,930.77 = 16,639,485.87/x
  3. Step 3: Cross multiply
    30,578,606.18x = 42,197,930.77 × 16,639,485.87
  4. Step 4: Simplify right side
    30,578,606.18x = 702,151,872,790,653.25
  5. Step 5: Solve for x
    x = 702,151,872,790,653.25/30,578,606.18
  6. Step 6: Final answer
    x = 22,962,193.52

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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.