Home / 6,931,421.85-9,564,720.23-3,833,878.54

Finding the Fourth Proportional to 6,931,421.85, 9,564,720.23 and 3,833,878.54

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Solution

The fourth proportional to 6,931,421.85, 9,564,720.23 and 3,833,878.54 is: 5,290,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,421.85 : 9,564,720.23 = 3,833,878.54 : x
  2. Step 2: Convert to fraction form
    6,931,421.85/9,564,720.23 = 3,833,878.54/x
  3. Step 3: Cross multiply
    6,931,421.85x = 9,564,720.23 × 3,833,878.54
  4. Step 4: Simplify right side
    6,931,421.85x = 36,669,975,625,059.34
  5. Step 5: Solve for x
    x = 36,669,975,625,059.34/6,931,421.85
  6. Step 6: Final answer
    x = 5,290,397.33

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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.