Home / 28,233,158.04-42,331,152.38-18,619,222.68

Finding the Fourth Proportional to 28,233,158.04, 42,331,152.38 and 18,619,222.68

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Solution

The fourth proportional to 28,233,158.04, 42,331,152.38 and 18,619,222.68 is: 27,916,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233,158.04 : 42,331,152.38 = 18,619,222.68 : x
  2. Step 2: Convert to fraction form
    28,233,158.04/42,331,152.38 = 18,619,222.68/x
  3. Step 3: Cross multiply
    28,233,158.04x = 42,331,152.38 × 18,619,222.68
  4. Step 4: Simplify right side
    28,233,158.04x = 788,173,152,464,232
  5. Step 5: Solve for x
    x = 788,173,152,464,232/28,233,158.04
  6. Step 6: Final answer
    x = 27,916,577.78

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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.