Home / 10,359,561.60-15,539,342.40-7,968,009.60

Finding the Fourth Proportional to 10,359,561.60, 15,539,342.40 and 7,968,009.60

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Solution

The fourth proportional to 10,359,561.60, 15,539,342.40 and 7,968,009.60 is: 11,952,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,561.60 : 15,539,342.40 = 7,968,009.60 : x
  2. Step 2: Convert to fraction form
    10,359,561.60/15,539,342.40 = 7,968,009.60/x
  3. Step 3: Cross multiply
    10,359,561.60x = 15,539,342.40 × 7,968,009.60
  4. Step 4: Simplify right side
    10,359,561.60x = 123,817,629,420,887.03
  5. Step 5: Solve for x
    x = 123,817,629,420,887.03/10,359,561.60
  6. Step 6: Final answer
    x = 11,952,014.40

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1.5x scale

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.