Home / 28,029,497.40-42,044,246.10-26,328,886.20

Finding the Fourth Proportional to 28,029,497.40, 42,044,246.10 and 26,328,886.20

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Solution

The fourth proportional to 28,029,497.40, 42,044,246.10 and 26,328,886.20 is: 39,493,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,497.40 : 42,044,246.10 = 26,328,886.20 : x
  2. Step 2: Convert to fraction form
    28,029,497.40/42,044,246.10 = 26,328,886.20/x
  3. Step 3: Cross multiply
    28,029,497.40x = 42,044,246.10 × 26,328,886.20
  4. Step 4: Simplify right side
    28,029,497.40x = 1,106,978,170,931,693.88
  5. Step 5: Solve for x
    x = 1,106,978,170,931,693.88/28,029,497.40
  6. Step 6: Final answer
    x = 39,493,329.30

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Similar ratio
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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.