Home / 9,161,430.08-12,639,938.40-5,292,539.60

Finding the Fourth Proportional to 9,161,430.08, 12,639,938.40 and 5,292,539.60

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Solution

The fourth proportional to 9,161,430.08, 12,639,938.40 and 5,292,539.60 is: 7,302,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,430.08 : 12,639,938.40 = 5,292,539.60 : x
  2. Step 2: Convert to fraction form
    9,161,430.08/12,639,938.40 = 5,292,539.60/x
  3. Step 3: Cross multiply
    9,161,430.08x = 12,639,938.40 × 5,292,539.60
  4. Step 4: Simplify right side
    9,161,430.08x = 66,897,374,523,560.64
  5. Step 5: Solve for x
    x = 66,897,374,523,560.64/9,161,430.08
  6. Step 6: Final answer
    x = 7,302,066.81

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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.