Home / 6,952,942.20-10,429,413.30-6,561,031.80

Finding the Fourth Proportional to 6,952,942.20, 10,429,413.30 and 6,561,031.80

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Solution

The fourth proportional to 6,952,942.20, 10,429,413.30 and 6,561,031.80 is: 9,841,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,952,942.20 : 10,429,413.30 = 6,561,031.80 : x
  2. Step 2: Convert to fraction form
    6,952,942.20/10,429,413.30 = 6,561,031.80/x
  3. Step 3: Cross multiply
    6,952,942.20x = 10,429,413.30 × 6,561,031.80
  4. Step 4: Simplify right side
    6,952,942.20x = 68,427,712,316,642.95
  5. Step 5: Solve for x
    x = 68,427,712,316,642.95/6,952,942.20
  6. Step 6: Final answer
    x = 9,841,547.70

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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.