Home / 17,619,008.60-26,428,512.90-13,140,032.60

Finding the Fourth Proportional to 17,619,008.60, 26,428,512.90 and 13,140,032.60

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Solution

The fourth proportional to 17,619,008.60, 26,428,512.90 and 13,140,032.60 is: 19,710,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619,008.60 : 26,428,512.90 = 13,140,032.60 : x
  2. Step 2: Convert to fraction form
    17,619,008.60/26,428,512.90 = 13,140,032.60/x
  3. Step 3: Cross multiply
    17,619,008.60x = 26,428,512.90 × 13,140,032.60
  4. Step 4: Simplify right side
    17,619,008.60x = 347,271,521,075,520.50
  5. Step 5: Solve for x
    x = 347,271,521,075,520.50/17,619,008.60
  6. Step 6: Final answer
    x = 19,710,048.90

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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.