Home / 15,527,478.08-21,427,920.48-9,004,890.92

Finding the Fourth Proportional to 15,527,478.08, 21,427,920.48 and 9,004,890.92

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Solution

The fourth proportional to 15,527,478.08, 21,427,920.48 and 9,004,890.92 is: 12,426,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,478.08 : 21,427,920.48 = 9,004,890.92 : x
  2. Step 2: Convert to fraction form
    15,527,478.08/21,427,920.48 = 9,004,890.92/x
  3. Step 3: Cross multiply
    15,527,478.08x = 21,427,920.48 × 9,004,890.92
  4. Step 4: Simplify right side
    15,527,478.08x = 192,956,086,457,694.44
  5. Step 5: Solve for x
    x = 192,956,086,457,694.44/15,527,478.08
  6. Step 6: Final answer
    x = 12,426,749.89

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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.