Home / 30,436,665.48-42,002,594.74-16,685,726.76

Finding the Fourth Proportional to 30,436,665.48, 42,002,594.74 and 16,685,726.76

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Solution

The fourth proportional to 30,436,665.48, 42,002,594.74 and 16,685,726.76 is: 23,026,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,665.48 : 42,002,594.74 = 16,685,726.76 : x
  2. Step 2: Convert to fraction form
    30,436,665.48/42,002,594.74 = 16,685,726.76/x
  3. Step 3: Cross multiply
    30,436,665.48x = 42,002,594.74 × 16,685,726.76
  4. Step 4: Simplify right side
    30,436,665.48x = 700,843,819,042,653.25
  5. Step 5: Solve for x
    x = 700,843,819,042,653.25/30,436,665.48
  6. Step 6: Final answer
    x = 23,026,300.94

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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.