Home / 12,602,938.60-18,918,404.70-6,934,234.60

Finding the Fourth Proportional to 12,602,938.60, 18,918,404.70 and 6,934,234.60

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Solution

The fourth proportional to 12,602,938.60, 18,918,404.70 and 6,934,234.60 is: 10,409,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,938.60 : 18,918,404.70 = 6,934,234.60 : x
  2. Step 2: Convert to fraction form
    12,602,938.60/18,918,404.70 = 6,934,234.60/x
  3. Step 3: Cross multiply
    12,602,938.60x = 18,918,404.70 × 6,934,234.60
  4. Step 4: Simplify right side
    12,602,938.60x = 131,184,656,447,542.61
  5. Step 5: Solve for x
    x = 131,184,656,447,542.61/12,602,938.60
  6. Step 6: Final answer
    x = 10,409,053.05

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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.