Home / 13,495,503.76-18,623,331.98-7,696,152.02

Finding the Fourth Proportional to 13,495,503.76, 18,623,331.98 and 7,696,152.02

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Solution

The fourth proportional to 13,495,503.76, 18,623,331.98 and 7,696,152.02 is: 10,620,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495,503.76 : 18,623,331.98 = 7,696,152.02 : x
  2. Step 2: Convert to fraction form
    13,495,503.76/18,623,331.98 = 7,696,152.02/x
  3. Step 3: Cross multiply
    13,495,503.76x = 18,623,331.98 × 7,696,152.02
  4. Step 4: Simplify right side
    13,495,503.76x = 143,327,994,073,945.75
  5. Step 5: Solve for x
    x = 143,327,994,073,945.75/13,495,503.76
  6. Step 6: Final answer
    x = 10,620,425.64

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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.