Home / 7,884,342.74-10,879,741.32-4,447,428.50

Finding the Fourth Proportional to 7,884,342.74, 10,879,741.32 and 4,447,428.50

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Solution

The fourth proportional to 7,884,342.74, 10,879,741.32 and 4,447,428.50 is: 6,137,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,342.74 : 10,879,741.32 = 4,447,428.50 : x
  2. Step 2: Convert to fraction form
    7,884,342.74/10,879,741.32 = 4,447,428.50/x
  3. Step 3: Cross multiply
    7,884,342.74x = 10,879,741.32 × 4,447,428.50
  4. Step 4: Simplify right side
    7,884,342.74x = 48,386,871,619,195.62
  5. Step 5: Solve for x
    x = 48,386,871,619,195.62/7,884,342.74
  6. Step 6: Final answer
    x = 6,137,083.74

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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.