Home / 15,392,747.76-21,241,855.08-9,197,458.08

Finding the Fourth Proportional to 15,392,747.76, 21,241,855.08 and 9,197,458.08

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Solution

The fourth proportional to 15,392,747.76, 21,241,855.08 and 9,197,458.08 is: 12,692,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,747.76 : 21,241,855.08 = 9,197,458.08 : x
  2. Step 2: Convert to fraction form
    15,392,747.76/21,241,855.08 = 9,197,458.08/x
  3. Step 3: Cross multiply
    15,392,747.76x = 21,241,855.08 × 9,197,458.08
  4. Step 4: Simplify right side
    15,392,747.76x = 195,371,071,639,735.03
  5. Step 5: Solve for x
    x = 195,371,071,639,735.03/15,392,747.76
  6. Step 6: Final answer
    x = 12,692,410.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.