Home / 20,886,448.29-31,329,888.45-6,313,488.60

Finding the Fourth Proportional to 20,886,448.29, 31,329,888.45 and 6,313,488.60

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Solution

The fourth proportional to 20,886,448.29, 31,329,888.45 and 6,313,488.60 is: 9,470,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,448.29 : 31,329,888.45 = 6,313,488.60 : x
  2. Step 2: Convert to fraction form
    20,886,448.29/31,329,888.45 = 6,313,488.60/x
  3. Step 3: Cross multiply
    20,886,448.29x = 31,329,888.45 × 6,313,488.60
  4. Step 4: Simplify right side
    20,886,448.29x = 197,800,893,662,158.16
  5. Step 5: Solve for x
    x = 197,800,893,662,158.16/20,886,448.29
  6. Step 6: Final answer
    x = 9,470,298.20

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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.