Home / 12,346,097.80-18,512,925.90-7,298,955.40

Finding the Fourth Proportional to 12,346,097.80, 18,512,925.90 and 7,298,955.40

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Solution

The fourth proportional to 12,346,097.80, 18,512,925.90 and 7,298,955.40 is: 10,944,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,097.80 : 18,512,925.90 = 7,298,955.40 : x
  2. Step 2: Convert to fraction form
    12,346,097.80/18,512,925.90 = 7,298,955.40/x
  3. Step 3: Cross multiply
    12,346,097.80x = 18,512,925.90 × 7,298,955.40
  4. Step 4: Simplify right side
    12,346,097.80x = 135,125,020,467,604.86
  5. Step 5: Solve for x
    x = 135,125,020,467,604.86/12,346,097.80
  6. Step 6: Final answer
    x = 10,944,755.39

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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.