Home / 15,304,347.77-21,120,954.93-8,428,828.01

Finding the Fourth Proportional to 15,304,347.77, 21,120,954.93 and 8,428,828.01

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Solution

The fourth proportional to 15,304,347.77, 21,120,954.93 and 8,428,828.01 is: 11,632,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304,347.77 : 21,120,954.93 = 8,428,828.01 : x
  2. Step 2: Convert to fraction form
    15,304,347.77/21,120,954.93 = 8,428,828.01/x
  3. Step 3: Cross multiply
    15,304,347.77x = 21,120,954.93 × 8,428,828.01
  4. Step 4: Simplify right side
    15,304,347.77x = 178,024,896,406,326.84
  5. Step 5: Solve for x
    x = 178,024,896,406,326.84/15,304,347.77
  6. Step 6: Final answer
    x = 11,632,308.62

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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.