Home / 14,234,316.80-21,353,030.40-13,786,419.20

Finding the Fourth Proportional to 14,234,316.80, 21,353,030.40 and 13,786,419.20

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Solution

The fourth proportional to 14,234,316.80, 21,353,030.40 and 13,786,419.20 is: 20,681,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234,316.80 : 21,353,030.40 = 13,786,419.20 : x
  2. Step 2: Convert to fraction form
    14,234,316.80/21,353,030.40 = 13,786,419.20/x
  3. Step 3: Cross multiply
    14,234,316.80x = 21,353,030.40 × 13,786,419.20
  4. Step 4: Simplify right side
    14,234,316.80x = 294,381,828,284,743.62
  5. Step 5: Solve for x
    x = 294,381,828,284,743.62/14,234,316.80
  6. Step 6: Final answer
    x = 20,681,135.06

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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.