Home / 27,312,400.80-40,968,601.20-7,117,642.80

Finding the Fourth Proportional to 27,312,400.80, 40,968,601.20 and 7,117,642.80

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Solution

The fourth proportional to 27,312,400.80, 40,968,601.20 and 7,117,642.80 is: 10,676,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312,400.80 : 40,968,601.20 = 7,117,642.80 : x
  2. Step 2: Convert to fraction form
    27,312,400.80/40,968,601.20 = 7,117,642.80/x
  3. Step 3: Cross multiply
    27,312,400.80x = 40,968,601.20 × 7,117,642.80
  4. Step 4: Simplify right side
    27,312,400.80x = 291,599,869,357,251.38
  5. Step 5: Solve for x
    x = 291,599,869,357,251.38/27,312,400.80
  6. Step 6: Final answer
    x = 10,676,464.20

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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.