Home / 13,698,265.38-18,903,559.02-7,897,019.46

Finding the Fourth Proportional to 13,698,265.38, 18,903,559.02 and 7,897,019.46

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Solution

The fourth proportional to 13,698,265.38, 18,903,559.02 and 7,897,019.46 is: 10,897,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,265.38 : 18,903,559.02 = 7,897,019.46 : x
  2. Step 2: Convert to fraction form
    13,698,265.38/18,903,559.02 = 7,897,019.46/x
  3. Step 3: Cross multiply
    13,698,265.38x = 18,903,559.02 × 7,897,019.46
  4. Step 4: Simplify right side
    13,698,265.38x = 149,281,773,444,198.53
  5. Step 5: Solve for x
    x = 149,281,773,444,198.53/13,698,265.38
  6. Step 6: Final answer
    x = 10,897,859.64

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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.