Home / 20,111,769.60-30,167,654.40-4,965,701.10

Finding the Fourth Proportional to 20,111,769.60, 30,167,654.40 and 4,965,701.10

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Solution

The fourth proportional to 20,111,769.60, 30,167,654.40 and 4,965,701.10 is: 7,448,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,769.60 : 30,167,654.40 = 4,965,701.10 : x
  2. Step 2: Convert to fraction form
    20,111,769.60/30,167,654.40 = 4,965,701.10/x
  3. Step 3: Cross multiply
    20,111,769.60x = 30,167,654.40 × 4,965,701.10
  4. Step 4: Simplify right side
    20,111,769.60x = 149,803,554,638,499.81
  5. Step 5: Solve for x
    x = 149,803,554,638,499.81/20,111,769.60
  6. Step 6: Final answer
    x = 7,448,551.65

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1.5x scale

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.