Home / 28,126,011.38-42,399,827.28-26,251,124.94

Finding the Fourth Proportional to 28,126,011.38, 42,399,827.28 and 26,251,124.94

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Solution

The fourth proportional to 28,126,011.38, 42,399,827.28 and 26,251,124.94 is: 39,573,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,011.38 : 42,399,827.28 = 26,251,124.94 : x
  2. Step 2: Convert to fraction form
    28,126,011.38/42,399,827.28 = 26,251,124.94/x
  3. Step 3: Cross multiply
    28,126,011.38x = 42,399,827.28 × 26,251,124.94
  4. Step 4: Simplify right side
    28,126,011.38x = 1,113,043,163,361,700.50
  5. Step 5: Solve for x
    x = 1,113,043,163,361,700.50/28,126,011.38
  6. Step 6: Final answer
    x = 39,573,444.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.