Home / 21,348,728.80-32,025,062.02-6,971,871.40

Finding the Fourth Proportional to 21,348,728.80, 32,025,062.02 and 6,971,871.40

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Solution

The fourth proportional to 21,348,728.80, 32,025,062.02 and 6,971,871.40 is: 10,458,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348,728.80 : 32,025,062.02 = 6,971,871.40 : x
  2. Step 2: Convert to fraction form
    21,348,728.80/32,025,062.02 = 6,971,871.40/x
  3. Step 3: Cross multiply
    21,348,728.80x = 32,025,062.02 × 6,971,871.40
  4. Step 4: Simplify right side
    21,348,728.80x = 223,274,613,980,464.25
  5. Step 5: Solve for x
    x = 223,274,613,980,464.25/21,348,728.80
  6. Step 6: Final answer
    x = 10,458,450.06

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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.