Home / 13,888,280.41-19,165,006.91-7,607,558.61

Finding the Fourth Proportional to 13,888,280.41, 19,165,006.91 and 7,607,558.61

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Solution

The fourth proportional to 13,888,280.41, 19,165,006.91 and 7,607,558.61 is: 10,497,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,280.41 : 19,165,006.91 = 7,607,558.61 : x
  2. Step 2: Convert to fraction form
    13,888,280.41/19,165,006.91 = 7,607,558.61/x
  3. Step 3: Cross multiply
    13,888,280.41x = 19,165,006.91 × 7,607,558.61
  4. Step 4: Simplify right side
    13,888,280.41x = 145,798,913,347,898.91
  5. Step 5: Solve for x
    x = 145,798,913,347,898.91/13,888,280.41
  6. Step 6: Final answer
    x = 10,497,981.68

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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.