Home / 13,558,079.66-18,715,875.47-9,153,771.62

Finding the Fourth Proportional to 13,558,079.66, 18,715,875.47 and 9,153,771.62

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Solution

The fourth proportional to 13,558,079.66, 18,715,875.47 and 9,153,771.62 is: 12,636,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,079.66 : 18,715,875.47 = 9,153,771.62 : x
  2. Step 2: Convert to fraction form
    13,558,079.66/18,715,875.47 = 9,153,771.62/x
  3. Step 3: Cross multiply
    13,558,079.66x = 18,715,875.47 × 9,153,771.62
  4. Step 4: Simplify right side
    13,558,079.66x = 171,320,849,581,391.94
  5. Step 5: Solve for x
    x = 171,320,849,581,391.94/13,558,079.66
  6. Step 6: Final answer
    x = 12,636,070.44

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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.