Home / 9,977,542.98-14,971,927.77-5,428,919.94

Finding the Fourth Proportional to 9,977,542.98, 14,971,927.77 and 5,428,919.94

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Solution

The fourth proportional to 9,977,542.98, 14,971,927.77 and 5,428,919.94 is: 8,146,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977,542.98 : 14,971,927.77 = 5,428,919.94 : x
  2. Step 2: Convert to fraction form
    9,977,542.98/14,971,927.77 = 5,428,919.94/x
  3. Step 3: Cross multiply
    9,977,542.98x = 14,971,927.77 × 5,428,919.94
  4. Step 4: Simplify right side
    9,977,542.98x = 81,281,397,210,792.73
  5. Step 5: Solve for x
    x = 81,281,397,210,792.73/9,977,542.98
  6. Step 6: Final answer
    x = 8,146,434.18

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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.