Home / 18,137,298.72-25,029,300.01-9,877,498.85

Finding the Fourth Proportional to 18,137,298.72, 25,029,300.01 and 9,877,498.85

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Solution

The fourth proportional to 18,137,298.72, 25,029,300.01 and 9,877,498.85 is: 13,630,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137,298.72 : 25,029,300.01 = 9,877,498.85 : x
  2. Step 2: Convert to fraction form
    18,137,298.72/25,029,300.01 = 9,877,498.85/x
  3. Step 3: Cross multiply
    18,137,298.72x = 25,029,300.01 × 9,877,498.85
  4. Step 4: Simplify right side
    18,137,298.72x = 247,226,881,939,933.53
  5. Step 5: Solve for x
    x = 247,226,881,939,933.53/18,137,298.72
  6. Step 6: Final answer
    x = 13,630,854.62

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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.