Home / 11,977,035.30-16,528,290.98-6,820,397.91

Finding the Fourth Proportional to 11,977,035.30, 16,528,290.98 and 6,820,397.91

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Solution

The fourth proportional to 11,977,035.30, 16,528,290.98 and 6,820,397.91 is: 9,412,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,035.30 : 16,528,290.98 = 6,820,397.91 : x
  2. Step 2: Convert to fraction form
    11,977,035.30/16,528,290.98 = 6,820,397.91/x
  3. Step 3: Cross multiply
    11,977,035.30x = 16,528,290.98 × 6,820,397.91
  4. Step 4: Simplify right side
    11,977,035.30x = 112,729,521,221,761.86
  5. Step 5: Solve for x
    x = 112,729,521,221,761.86/11,977,035.30
  6. Step 6: Final answer
    x = 9,412,139.01

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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.