Home / 8,884,077.79-12,258,900.79-5,211,654.43

Finding the Fourth Proportional to 8,884,077.79, 12,258,900.79 and 5,211,654.43

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Solution

The fourth proportional to 8,884,077.79, 12,258,900.79 and 5,211,654.43 is: 7,191,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884,077.79 : 12,258,900.79 = 5,211,654.43 : x
  2. Step 2: Convert to fraction form
    8,884,077.79/12,258,900.79 = 5,211,654.43/x
  3. Step 3: Cross multiply
    8,884,077.79x = 12,258,900.79 × 5,211,654.43
  4. Step 4: Simplify right side
    8,884,077.79x = 63,889,154,609,133.99
  5. Step 5: Solve for x
    x = 63,889,154,609,133.99/8,884,077.79
  6. Step 6: Final answer
    x = 7,191,422.24

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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.