Home / 18,897,367.70-28,346,051.55-13,124,465.30

Finding the Fourth Proportional to 18,897,367.70, 28,346,051.55 and 13,124,465.30

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Solution

The fourth proportional to 18,897,367.70, 28,346,051.55 and 13,124,465.30 is: 19,686,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,367.70 : 28,346,051.55 = 13,124,465.30 : x
  2. Step 2: Convert to fraction form
    18,897,367.70/28,346,051.55 = 13,124,465.30/x
  3. Step 3: Cross multiply
    18,897,367.70x = 28,346,051.55 × 13,124,465.30
  4. Step 4: Simplify right side
    18,897,367.70x = 372,026,769,959,986.25
  5. Step 5: Solve for x
    x = 372,026,769,959,986.25/18,897,367.70
  6. Step 6: Final answer
    x = 19,686,697.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.