Home / 13,675,803.60-20,485,711.80-6,948,008.40

Finding the Fourth Proportional to 13,675,803.60, 20,485,711.80 and 6,948,008.40

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Solution

The fourth proportional to 13,675,803.60, 20,485,711.80 and 6,948,008.40 is: 10,407,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675,803.60 : 20,485,711.80 = 6,948,008.40 : x
  2. Step 2: Convert to fraction form
    13,675,803.60/20,485,711.80 = 6,948,008.40/x
  3. Step 3: Cross multiply
    13,675,803.60x = 20,485,711.80 × 6,948,008.40
  4. Step 4: Simplify right side
    13,675,803.60x = 142,334,897,666,379.12
  5. Step 5: Solve for x
    x = 142,334,897,666,379.12/13,675,803.60
  6. Step 6: Final answer
    x = 10,407,790.42

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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.