Home / 12,029,641.48-16,606,951.86-7,845,220.36

Finding the Fourth Proportional to 12,029,641.48, 16,606,951.86 and 7,845,220.36

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Solution

The fourth proportional to 12,029,641.48, 16,606,951.86 and 7,845,220.36 is: 10,830,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,641.48 : 16,606,951.86 = 7,845,220.36 : x
  2. Step 2: Convert to fraction form
    12,029,641.48/16,606,951.86 = 7,845,220.36/x
  3. Step 3: Cross multiply
    12,029,641.48x = 16,606,951.86 × 7,845,220.36
  4. Step 4: Simplify right side
    12,029,641.48x = 130,285,196,849,611.88
  5. Step 5: Solve for x
    x = 130,285,196,849,611.88/12,029,641.48
  6. Step 6: Final answer
    x = 10,830,347.44

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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.