Home / 19,146,188.38-26,426,000.38-12,175,453.12

Finding the Fourth Proportional to 19,146,188.38, 26,426,000.38 and 12,175,453.12

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Solution

The fourth proportional to 19,146,188.38, 26,426,000.38 and 12,175,453.12 is: 16,804,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,188.38 : 26,426,000.38 = 12,175,453.12 : x
  2. Step 2: Convert to fraction form
    19,146,188.38/26,426,000.38 = 12,175,453.12/x
  3. Step 3: Cross multiply
    19,146,188.38x = 26,426,000.38 × 12,175,453.12
  4. Step 4: Simplify right side
    19,146,188.38x = 321,748,528,775,792.12
  5. Step 5: Solve for x
    x = 321,748,528,775,792.12/19,146,188.38
  6. Step 6: Final answer
    x = 16,804,834.59

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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.