Home / 10,575,983.79-15,863,975.82-6,980,909.76

Finding the Fourth Proportional to 10,575,983.79, 15,863,975.82 and 6,980,909.76

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Solution

The fourth proportional to 10,575,983.79, 15,863,975.82 and 6,980,909.76 is: 10,471,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575,983.79 : 15,863,975.82 = 6,980,909.76 : x
  2. Step 2: Convert to fraction form
    10,575,983.79/15,863,975.82 = 6,980,909.76/x
  3. Step 3: Cross multiply
    10,575,983.79x = 15,863,975.82 × 6,980,909.76
  4. Step 4: Simplify right side
    10,575,983.79x = 110,744,983,634,242
  5. Step 5: Solve for x
    x = 110,744,983,634,242/10,575,983.79
  6. Step 6: Final answer
    x = 10,471,364.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.