Home / 21,386,236.42-32,066,543.76-6,806,858.40

Finding the Fourth Proportional to 21,386,236.42, 32,066,543.76 and 6,806,858.40

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Solution

The fourth proportional to 21,386,236.42, 32,066,543.76 and 6,806,858.40 is: 10,206,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,236.42 : 32,066,543.76 = 6,806,858.40 : x
  2. Step 2: Convert to fraction form
    21,386,236.42/32,066,543.76 = 6,806,858.40/x
  3. Step 3: Cross multiply
    21,386,236.42x = 32,066,543.76 × 6,806,858.40
  4. Step 4: Simplify right side
    21,386,236.42x = 218,272,422,751,723.59
  5. Step 5: Solve for x
    x = 218,272,422,751,723.59/21,386,236.42
  6. Step 6: Final answer
    x = 10,206,210.13

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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.