Home / 28,066,851.70-42,100,277.55-18,996,925.30

Finding the Fourth Proportional to 28,066,851.70, 42,100,277.55 and 18,996,925.30

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Solution

The fourth proportional to 28,066,851.70, 42,100,277.55 and 18,996,925.30 is: 28,495,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,851.70 : 42,100,277.55 = 18,996,925.30 : x
  2. Step 2: Convert to fraction form
    28,066,851.70/42,100,277.55 = 18,996,925.30/x
  3. Step 3: Cross multiply
    28,066,851.70x = 42,100,277.55 × 18,996,925.30
  4. Step 4: Simplify right side
    28,066,851.70x = 799,775,827,726,617
  5. Step 5: Solve for x
    x = 799,775,827,726,617/28,066,851.70
  6. Step 6: Final answer
    x = 28,495,387.95

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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.