Home / 19,079,140.03-26,326,823.54-12,897,636.47

Finding the Fourth Proportional to 19,079,140.03, 26,326,823.54 and 12,897,636.47

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Solution

The fourth proportional to 19,079,140.03, 26,326,823.54 and 12,897,636.47 is: 17,797,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,140.03 : 26,326,823.54 = 12,897,636.47 : x
  2. Step 2: Convert to fraction form
    19,079,140.03/26,326,823.54 = 12,897,636.47/x
  3. Step 3: Cross multiply
    19,079,140.03x = 26,326,823.54 × 12,897,636.47
  4. Step 4: Simplify right side
    19,079,140.03x = 339,553,799,430,087.38
  5. Step 5: Solve for x
    x = 339,553,799,430,087.38/19,079,140.03
  6. Step 6: Final answer
    x = 17,797,122.88

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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.