Home / 15,804,624-21,810,387.60-8,561,280

Finding the Fourth Proportional to 15,804,624, 21,810,387.60 and 8,561,280

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Solution

The fourth proportional to 15,804,624, 21,810,387.60 and 8,561,280 is: 11,814,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804,624 : 21,810,387.60 = 8,561,280 : x
  2. Step 2: Convert to fraction form
    15,804,624/21,810,387.60 = 8,561,280/x
  3. Step 3: Cross multiply
    15,804,624x = 21,810,387.60 × 8,561,280
  4. Step 4: Simplify right side
    15,804,624x = 186,724,835,152,128
  5. Step 5: Solve for x
    x = 186,724,835,152,128/15,804,624
  6. Step 6: Final answer
    x = 11,814,569.91

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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.