Home / 13,897,225.26-19,178,172.71-7,702,671.47

Finding the Fourth Proportional to 13,897,225.26, 19,178,172.71 and 7,702,671.47

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Solution

The fourth proportional to 13,897,225.26, 19,178,172.71 and 7,702,671.47 is: 10,629,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897,225.26 : 19,178,172.71 = 7,702,671.47 : x
  2. Step 2: Convert to fraction form
    13,897,225.26/19,178,172.71 = 7,702,671.47/x
  3. Step 3: Cross multiply
    13,897,225.26x = 19,178,172.71 × 7,702,671.47
  4. Step 4: Simplify right side
    13,897,225.26x = 147,723,163,645,645.34
  5. Step 5: Solve for x
    x = 147,723,163,645,645.34/13,897,225.26
  6. Step 6: Final answer
    x = 10,629,687.64

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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.