Home / 28,126,186.27-42,190,926.98-10,854,477.70

Finding the Fourth Proportional to 28,126,186.27, 42,190,926.98 and 10,854,477.70

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Solution

The fourth proportional to 28,126,186.27, 42,190,926.98 and 10,854,477.70 is: 16,282,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,186.27 : 42,190,926.98 = 10,854,477.70 : x
  2. Step 2: Convert to fraction form
    28,126,186.27/42,190,926.98 = 10,854,477.70/x
  3. Step 3: Cross multiply
    28,126,186.27x = 42,190,926.98 × 10,854,477.70
  4. Step 4: Simplify right side
    28,126,186.27x = 457,960,475,886,988.62
  5. Step 5: Solve for x
    x = 457,960,475,886,988.62/28,126,186.27
  6. Step 6: Final answer
    x = 16,282,352.38

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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.