Home / 20,402,973.40-28,108,211.96-14,197,348.12

Finding the Fourth Proportional to 20,402,973.40, 28,108,211.96 and 14,197,348.12

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Solution

The fourth proportional to 20,402,973.40, 28,108,211.96 and 14,197,348.12 is: 19,559,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,973.40 : 28,108,211.96 = 14,197,348.12 : x
  2. Step 2: Convert to fraction form
    20,402,973.40/28,108,211.96 = 14,197,348.12/x
  3. Step 3: Cross multiply
    20,402,973.40x = 28,108,211.96 × 14,197,348.12
  4. Step 4: Simplify right side
    20,402,973.40x = 399,062,070,226,867.50
  5. Step 5: Solve for x
    x = 399,062,070,226,867.50/20,402,973.40
  6. Step 6: Final answer
    x = 19,559,015.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.