Home / 8,527,345.47-11,768,936.85-5,428,879.02

Finding the Fourth Proportional to 8,527,345.47, 11,768,936.85 and 5,428,879.02

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Solution

The fourth proportional to 8,527,345.47, 11,768,936.85 and 5,428,879.02 is: 7,492,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,345.47 : 11,768,936.85 = 5,428,879.02 : x
  2. Step 2: Convert to fraction form
    8,527,345.47/11,768,936.85 = 5,428,879.02/x
  3. Step 3: Cross multiply
    8,527,345.47x = 11,768,936.85 × 5,428,879.02
  4. Step 4: Simplify right side
    8,527,345.47x = 63,892,134,352,669.88
  5. Step 5: Solve for x
    x = 63,892,134,352,669.88/8,527,345.47
  6. Step 6: Final answer
    x = 7,492,617.08

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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.