Home / 51,421,886.08-70,962,006.40-28,217,400.96

Finding the Fourth Proportional to 51,421,886.08, 70,962,006.40 and 28,217,400.96

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Solution

The fourth proportional to 51,421,886.08, 70,962,006.40 and 28,217,400.96 is: 38,939,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421,886.08 : 70,962,006.40 = 28,217,400.96 : x
  2. Step 2: Convert to fraction form
    51,421,886.08/70,962,006.40 = 28,217,400.96/x
  3. Step 3: Cross multiply
    51,421,886.08x = 70,962,006.40 × 28,217,400.96
  4. Step 4: Simplify right side
    51,421,886.08x = 2,002,363,387,514,886.50
  5. Step 5: Solve for x
    x = 2,002,363,387,514,886.50/51,421,886.08
  6. Step 6: Final answer
    x = 38,939,905.56

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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.