Home / 15,870,640.34-21,862,609.89-11,506,904.66

Finding the Fourth Proportional to 15,870,640.34, 21,862,609.89 and 11,506,904.66

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Solution

The fourth proportional to 15,870,640.34, 21,862,609.89 and 11,506,904.66 is: 15,851,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,640.34 : 21,862,609.89 = 11,506,904.66 : x
  2. Step 2: Convert to fraction form
    15,870,640.34/21,862,609.89 = 11,506,904.66/x
  3. Step 3: Cross multiply
    15,870,640.34x = 21,862,609.89 × 11,506,904.66
  4. Step 4: Simplify right side
    15,870,640.34x = 251,570,967,623,003.09
  5. Step 5: Solve for x
    x = 251,570,967,623,003.09/15,870,640.34
  6. Step 6: Final answer
    x = 15,851,343.25

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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.