Home / 15,553,511.52-21,460,409.10-9,023,357.94

Finding the Fourth Proportional to 15,553,511.52, 21,460,409.10 and 9,023,357.94

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Solution

The fourth proportional to 15,553,511.52, 21,460,409.10 and 9,023,357.94 is: 12,450,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,511.52 : 21,460,409.10 = 9,023,357.94 : x
  2. Step 2: Convert to fraction form
    15,553,511.52/21,460,409.10 = 9,023,357.94/x
  3. Step 3: Cross multiply
    15,553,511.52x = 21,460,409.10 × 9,023,357.94
  4. Step 4: Simplify right side
    15,553,511.52x = 193,644,952,848,133.25
  5. Step 5: Solve for x
    x = 193,644,952,848,133.25/15,553,511.52
  6. Step 6: Final answer
    x = 12,450,240.10

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1.5x scale

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.