Home / 51,421,890.08-70,962,011.92-28,217,404.96

Finding the Fourth Proportional to 51,421,890.08, 70,962,011.92 and 28,217,404.96

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Solution

The fourth proportional to 51,421,890.08, 70,962,011.92 and 28,217,404.96 is: 38,939,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421,890.08 : 70,962,011.92 = 28,217,404.96 : x
  2. Step 2: Convert to fraction form
    51,421,890.08/70,962,011.92 = 28,217,404.96/x
  3. Step 3: Cross multiply
    51,421,890.08x = 70,962,011.92 × 28,217,404.96
  4. Step 4: Simplify right side
    51,421,890.08x = 2,002,363,827,122,987.25
  5. Step 5: Solve for x
    x = 2,002,363,827,122,987.25/51,421,890.08
  6. Step 6: Final answer
    x = 38,939,911.08

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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.