Home / 28,233,161.04-42,331,156.88-18,619,225.68

Finding the Fourth Proportional to 28,233,161.04, 42,331,156.88 and 18,619,225.68

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Solution

The fourth proportional to 28,233,161.04, 42,331,156.88 and 18,619,225.68 is: 27,916,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233,161.04 : 42,331,156.88 = 18,619,225.68 : x
  2. Step 2: Convert to fraction form
    28,233,161.04/42,331,156.88 = 18,619,225.68/x
  3. Step 3: Cross multiply
    28,233,161.04x = 42,331,156.88 × 18,619,225.68
  4. Step 4: Simplify right side
    28,233,161.04x = 788,173,363,244,204.75
  5. Step 5: Solve for x
    x = 788,173,363,244,204.75/28,233,161.04
  6. Step 6: Final answer
    x = 27,916,582.28

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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.