Home / 15,837,854.86-21,856,239.71-8,594,510.86

Finding the Fourth Proportional to 15,837,854.86, 21,856,239.71 and 8,594,510.86

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Solution

The fourth proportional to 15,837,854.86, 21,856,239.71 and 8,594,510.86 is: 11,860,424.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837,854.86 : 21,856,239.71 = 8,594,510.86 : x
  2. Step 2: Convert to fraction form
    15,837,854.86/21,856,239.71 = 8,594,510.86/x
  3. Step 3: Cross multiply
    15,837,854.86x = 21,856,239.71 × 8,594,510.86
  4. Step 4: Simplify right side
    15,837,854.86x = 187,843,689,562,935.41
  5. Step 5: Solve for x
    x = 187,843,689,562,935.41/15,837,854.86
  6. Step 6: Final answer
    x = 11,860,424.99

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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.