Home / 9,231,681.78-13,835,144.45-7,184,813.81

Finding the Fourth Proportional to 9,231,681.78, 13,835,144.45 and 7,184,813.81

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Solution

The fourth proportional to 9,231,681.78, 13,835,144.45 and 7,184,813.81 is: 10,767,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231,681.78 : 13,835,144.45 = 7,184,813.81 : x
  2. Step 2: Convert to fraction form
    9,231,681.78/13,835,144.45 = 7,184,813.81/x
  3. Step 3: Cross multiply
    9,231,681.78x = 13,835,144.45 × 7,184,813.81
  4. Step 4: Simplify right side
    9,231,681.78x = 99,402,936,856,491.17
  5. Step 5: Solve for x
    x = 99,402,936,856,491.17/9,231,681.78
  6. Step 6: Final answer
    x = 10,767,587.01

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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.