Home / 21,014,711.10-31,522,066.65-11,448,773.10

Finding the Fourth Proportional to 21,014,711.10, 31,522,066.65 and 11,448,773.10

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Solution

The fourth proportional to 21,014,711.10, 31,522,066.65 and 11,448,773.10 is: 17,173,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,711.10 : 31,522,066.65 = 11,448,773.10 : x
  2. Step 2: Convert to fraction form
    21,014,711.10/31,522,066.65 = 11,448,773.10/x
  3. Step 3: Cross multiply
    21,014,711.10x = 31,522,066.65 × 11,448,773.10
  4. Step 4: Simplify right side
    21,014,711.10x = 360,888,988,718,927.06
  5. Step 5: Solve for x
    x = 360,888,988,718,927.06/21,014,711.10
  6. Step 6: Final answer
    x = 17,173,159.65

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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.