Home / 19,208,270.59-28,812,454.68-7,848,719.20

Finding the Fourth Proportional to 19,208,270.59, 28,812,454.68 and 7,848,719.20

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Solution

The fourth proportional to 19,208,270.59, 28,812,454.68 and 7,848,719.20 is: 11,773,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,270.59 : 28,812,454.68 = 7,848,719.20 : x
  2. Step 2: Convert to fraction form
    19,208,270.59/28,812,454.68 = 7,848,719.20/x
  3. Step 3: Cross multiply
    19,208,270.59x = 28,812,454.68 × 7,848,719.20
  4. Step 4: Simplify right side
    19,208,270.59x = 226,140,866,246,045.84
  5. Step 5: Solve for x
    x = 226,140,866,246,045.84/19,208,270.59
  6. Step 6: Final answer
    x = 11,773,098.74

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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.