Home / 13,292,693.60-19,939,040.40-13,208,712.80

Finding the Fourth Proportional to 13,292,693.60, 19,939,040.40 and 13,208,712.80

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Solution

The fourth proportional to 13,292,693.60, 19,939,040.40 and 13,208,712.80 is: 19,813,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,693.60 : 19,939,040.40 = 13,208,712.80 : x
  2. Step 2: Convert to fraction form
    13,292,693.60/19,939,040.40 = 13,208,712.80/x
  3. Step 3: Cross multiply
    13,292,693.60x = 19,939,040.40 × 13,208,712.80
  4. Step 4: Simplify right side
    13,292,693.60x = 263,369,058,151,197.12
  5. Step 5: Solve for x
    x = 263,369,058,151,197.12/13,292,693.60
  6. Step 6: Final answer
    x = 19,813,069.20

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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.