Home / 6,931,307.76-9,561,363.16-4,030,379.12

Finding the Fourth Proportional to 6,931,307.76, 9,561,363.16 and 4,030,379.12

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Solution

The fourth proportional to 6,931,307.76, 9,561,363.16 and 4,030,379.12 is: 5,559,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,307.76 : 9,561,363.16 = 4,030,379.12 : x
  2. Step 2: Convert to fraction form
    6,931,307.76/9,561,363.16 = 4,030,379.12/x
  3. Step 3: Cross multiply
    6,931,307.76x = 9,561,363.16 × 4,030,379.12
  4. Step 4: Simplify right side
    6,931,307.76x = 38,535,918,438,801.22
  5. Step 5: Solve for x
    x = 38,535,918,438,801.22/6,931,307.76
  6. Step 6: Final answer
    x = 5,559,689.42

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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.