Home / 18,898,316.26-26,087,737.84-12,706,951.72

Finding the Fourth Proportional to 18,898,316.26, 26,087,737.84 and 12,706,951.72

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Solution

The fourth proportional to 18,898,316.26, 26,087,737.84 and 12,706,951.72 is: 17,541,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,316.26 : 26,087,737.84 = 12,706,951.72 : x
  2. Step 2: Convert to fraction form
    18,898,316.26/26,087,737.84 = 12,706,951.72/x
  3. Step 3: Cross multiply
    18,898,316.26x = 26,087,737.84 × 12,706,951.72
  4. Step 4: Simplify right side
    18,898,316.26x = 331,495,625,216,897.12
  5. Step 5: Solve for x
    x = 331,495,625,216,897.12/18,898,316.26
  6. Step 6: Final answer
    x = 17,541,013.74

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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.