Home / 6,931,428.67-9,564,729.61-3,833,885.35

Finding the Fourth Proportional to 6,931,428.67, 9,564,729.61 and 3,833,885.35

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Solution

The fourth proportional to 6,931,428.67, 9,564,729.61 and 3,833,885.35 is: 5,290,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,428.67 : 9,564,729.61 = 3,833,885.35 : x
  2. Step 2: Convert to fraction form
    6,931,428.67/9,564,729.61 = 3,833,885.35/x
  3. Step 3: Cross multiply
    6,931,428.67x = 9,564,729.61 × 3,833,885.35
  4. Step 4: Simplify right side
    6,931,428.67x = 36,670,076,728,490.21
  5. Step 5: Solve for x
    x = 36,670,076,728,490.21/6,931,428.67
  6. Step 6: Final answer
    x = 5,290,406.71

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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.