Home / 13,291,292.10-19,936,938.15-7,606,841.70

Finding the Fourth Proportional to 13,291,292.10, 19,936,938.15 and 7,606,841.70

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Solution

The fourth proportional to 13,291,292.10, 19,936,938.15 and 7,606,841.70 is: 11,410,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,292.10 : 19,936,938.15 = 7,606,841.70 : x
  2. Step 2: Convert to fraction form
    13,291,292.10/19,936,938.15 = 7,606,841.70/x
  3. Step 3: Cross multiply
    13,291,292.10x = 19,936,938.15 × 7,606,841.70
  4. Step 4: Simplify right side
    13,291,292.10x = 151,657,132,489,740.84
  5. Step 5: Solve for x
    x = 151,657,132,489,740.84/13,291,292.10
  6. Step 6: Final answer
    x = 11,410,262.55

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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.