Home / 21,943,472.27-30,281,658.23-12,020,275.67

Finding the Fourth Proportional to 21,943,472.27, 30,281,658.23 and 12,020,275.67

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Solution

The fourth proportional to 21,943,472.27, 30,281,658.23 and 12,020,275.67 is: 16,587,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,472.27 : 30,281,658.23 = 12,020,275.67 : x
  2. Step 2: Convert to fraction form
    21,943,472.27/30,281,658.23 = 12,020,275.67/x
  3. Step 3: Cross multiply
    21,943,472.27x = 30,281,658.23 × 12,020,275.67
  4. Step 4: Simplify right side
    21,943,472.27x = 363,993,879,547,966.69
  5. Step 5: Solve for x
    x = 363,993,879,547,966.69/21,943,472.27
  6. Step 6: Final answer
    x = 16,587,797.74

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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.