Home / 28,256,802.86-42,323,408.58-20,034,521.84

Finding the Fourth Proportional to 28,256,802.86, 42,323,408.58 and 20,034,521.84

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Solution

The fourth proportional to 28,256,802.86, 42,323,408.58 and 20,034,521.84 is: 30,007,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,802.86 : 42,323,408.58 = 20,034,521.84 : x
  2. Step 2: Convert to fraction form
    28,256,802.86/42,323,408.58 = 20,034,521.84/x
  3. Step 3: Cross multiply
    28,256,802.86x = 42,323,408.58 × 20,034,521.84
  4. Step 4: Simplify right side
    28,256,802.86x = 847,929,253,539,253.38
  5. Step 5: Solve for x
    x = 847,929,253,539,253.38/28,256,802.86
  6. Step 6: Final answer
    x = 30,007,968.62

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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.