Home / 19,888,919.10-29,777,948.73-10,152,587.88

Finding the Fourth Proportional to 19,888,919.10, 29,777,948.73 and 10,152,587.88

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Solution

The fourth proportional to 19,888,919.10, 29,777,948.73 and 10,152,587.88 is: 15,200,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888,919.10 : 29,777,948.73 = 10,152,587.88 : x
  2. Step 2: Convert to fraction form
    19,888,919.10/29,777,948.73 = 10,152,587.88/x
  3. Step 3: Cross multiply
    19,888,919.10x = 29,777,948.73 × 10,152,587.88
  4. Step 4: Simplify right side
    19,888,919.10x = 302,323,241,367,459.44
  5. Step 5: Solve for x
    x = 302,323,241,367,459.44/19,888,919.10
  6. Step 6: Final answer
    x = 15,200,586.81

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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.