Home / 19,319,154.60-28,979,724.54-4,942,347.14

Finding the Fourth Proportional to 19,319,154.60, 28,979,724.54 and 4,942,347.14

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Solution

The fourth proportional to 19,319,154.60, 28,979,724.54 and 4,942,347.14 is: 7,413,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,154.60 : 28,979,724.54 = 4,942,347.14 : x
  2. Step 2: Convert to fraction form
    19,319,154.60/28,979,724.54 = 4,942,347.14/x
  3. Step 3: Cross multiply
    19,319,154.60x = 28,979,724.54 × 4,942,347.14
  4. Step 4: Simplify right side
    19,319,154.60x = 143,227,858,698,256.81
  5. Step 5: Solve for x
    x = 143,227,858,698,256.81/19,319,154.60
  6. Step 6: Final answer
    x = 7,413,774.65

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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.