Home / 15,404,548.81-21,258,941.66-8,529,030.88

Finding the Fourth Proportional to 15,404,548.81, 21,258,941.66 and 8,529,030.88

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Solution

The fourth proportional to 15,404,548.81, 21,258,941.66 and 8,529,030.88 is: 11,770,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,548.81 : 21,258,941.66 = 8,529,030.88 : x
  2. Step 2: Convert to fraction form
    15,404,548.81/21,258,941.66 = 8,529,030.88/x
  3. Step 3: Cross multiply
    15,404,548.81x = 21,258,941.66 × 8,529,030.88
  4. Step 4: Simplify right side
    15,404,548.81x = 181,318,169,894,258.47
  5. Step 5: Solve for x
    x = 181,318,169,894,258.47/15,404,548.81
  6. Step 6: Final answer
    x = 11,770,430.42

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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.