Home / 28,673,590.10-42,939,526.35-19,036,793.30

Finding the Fourth Proportional to 28,673,590.10, 42,939,526.35 and 19,036,793.30

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Solution

The fourth proportional to 28,673,590.10, 42,939,526.35 and 19,036,793.30 is: 28,508,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,590.10 : 42,939,526.35 = 19,036,793.30 : x
  2. Step 2: Convert to fraction form
    28,673,590.10/42,939,526.35 = 19,036,793.30/x
  3. Step 3: Cross multiply
    28,673,590.10x = 42,939,526.35 × 19,036,793.30
  4. Step 4: Simplify right side
    28,673,590.10x = 817,430,887,524,853.50
  5. Step 5: Solve for x
    x = 817,430,887,524,853.50/28,673,590.10
  6. Step 6: Final answer
    x = 28,508,145.81

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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.