Home / 28,288,004.70-42,432,007.05-10,349,982.30

Finding the Fourth Proportional to 28,288,004.70, 42,432,007.05 and 10,349,982.30

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Solution

The fourth proportional to 28,288,004.70, 42,432,007.05 and 10,349,982.30 is: 15,524,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288,004.70 : 42,432,007.05 = 10,349,982.30 : x
  2. Step 2: Convert to fraction form
    28,288,004.70/42,432,007.05 = 10,349,982.30/x
  3. Step 3: Cross multiply
    28,288,004.70x = 42,432,007.05 × 10,349,982.30
  4. Step 4: Simplify right side
    28,288,004.70x = 439,170,521,920,975.19
  5. Step 5: Solve for x
    x = 439,170,521,920,975.19/28,288,004.70
  6. Step 6: Final answer
    x = 15,524,973.45

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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.