Home / 28,774,045.35-39,708,225.24-16,384,148.85

Finding the Fourth Proportional to 28,774,045.35, 39,708,225.24 and 16,384,148.85

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Solution

The fourth proportional to 28,774,045.35, 39,708,225.24 and 16,384,148.85 is: 22,610,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,045.35 : 39,708,225.24 = 16,384,148.85 : x
  2. Step 2: Convert to fraction form
    28,774,045.35/39,708,225.24 = 16,384,148.85/x
  3. Step 3: Cross multiply
    28,774,045.35x = 39,708,225.24 × 16,384,148.85
  4. Step 4: Simplify right side
    28,774,045.35x = 650,585,472,901,487
  5. Step 5: Solve for x
    x = 650,585,472,901,487/28,774,045.35
  6. Step 6: Final answer
    x = 22,610,149.70

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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.