Home / 10,746,881.76-16,126,621.28-7,710,975.84

Finding the Fourth Proportional to 10,746,881.76, 16,126,621.28 and 7,710,975.84

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Solution

The fourth proportional to 10,746,881.76, 16,126,621.28 and 7,710,975.84 is: 11,570,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746,881.76 : 16,126,621.28 = 7,710,975.84 : x
  2. Step 2: Convert to fraction form
    10,746,881.76/16,126,621.28 = 7,710,975.84/x
  3. Step 3: Cross multiply
    10,746,881.76x = 16,126,621.28 × 7,710,975.84
  4. Step 4: Simplify right side
    10,746,881.76x = 124,351,987,070,909.88
  5. Step 5: Solve for x
    x = 124,351,987,070,909.88/10,746,881.76
  6. Step 6: Final answer
    x = 11,570,983.09

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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.