Home / 9,691,655.10-13,374,572.49-5,340,897.51

Finding the Fourth Proportional to 9,691,655.10, 13,374,572.49 and 5,340,897.51

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Solution

The fourth proportional to 9,691,655.10, 13,374,572.49 and 5,340,897.51 is: 7,370,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,655.10 : 13,374,572.49 = 5,340,897.51 : x
  2. Step 2: Convert to fraction form
    9,691,655.10/13,374,572.49 = 5,340,897.51/x
  3. Step 3: Cross multiply
    9,691,655.10x = 13,374,572.49 × 5,340,897.51
  4. Step 4: Simplify right side
    9,691,655.10x = 71,432,220,909,155.50
  5. Step 5: Solve for x
    x = 71,432,220,909,155.50/9,691,655.10
  6. Step 6: Final answer
    x = 7,370,487.31

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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.