Home / 12,953,359.73-17,868,142.79-8,369,681.11

Finding the Fourth Proportional to 12,953,359.73, 17,868,142.79 and 8,369,681.11

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Solution

The fourth proportional to 12,953,359.73, 17,868,142.79 and 8,369,681.11 is: 11,545,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,359.73 : 17,868,142.79 = 8,369,681.11 : x
  2. Step 2: Convert to fraction form
    12,953,359.73/17,868,142.79 = 8,369,681.11/x
  3. Step 3: Cross multiply
    12,953,359.73x = 17,868,142.79 × 8,369,681.11
  4. Step 4: Simplify right side
    12,953,359.73x = 149,550,657,180,245.69
  5. Step 5: Solve for x
    x = 149,550,657,180,245.69/12,953,359.73
  6. Step 6: Final answer
    x = 11,545,317.99

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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.