Home / 19,314,665.60-28,975,886.40-5,667,785.60

Finding the Fourth Proportional to 19,314,665.60, 28,975,886.40 and 5,667,785.60

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Solution

The fourth proportional to 19,314,665.60, 28,975,886.40 and 5,667,785.60 is: 8,502,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314,665.60 : 28,975,886.40 = 5,667,785.60 : x
  2. Step 2: Convert to fraction form
    19,314,665.60/28,975,886.40 = 5,667,785.60/x
  3. Step 3: Cross multiply
    19,314,665.60x = 28,975,886.40 × 5,667,785.60
  4. Step 4: Simplify right side
    19,314,665.60x = 164,229,111,685,155.81
  5. Step 5: Solve for x
    x = 164,229,111,685,155.81/19,314,665.60
  6. Step 6: Final answer
    x = 8,502,819.31

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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.