Home / 11,402,286.40-15,730,776.78-6,507,780.40

Finding the Fourth Proportional to 11,402,286.40, 15,730,776.78 and 6,507,780.40

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Solution

The fourth proportional to 11,402,286.40, 15,730,776.78 and 6,507,780.40 is: 8,978,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402,286.40 : 15,730,776.78 = 6,507,780.40 : x
  2. Step 2: Convert to fraction form
    11,402,286.40/15,730,776.78 = 6,507,780.40/x
  3. Step 3: Cross multiply
    11,402,286.40x = 15,730,776.78 × 6,507,780.40
  4. Step 4: Simplify right side
    11,402,286.40x = 102,372,440,805,659.11
  5. Step 5: Solve for x
    x = 102,372,440,805,659.11/11,402,286.40
  6. Step 6: Final answer
    x = 8,978,237.98

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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.