Home / 15,426,447.63-21,288,036.36-8,456,886.82

Finding the Fourth Proportional to 15,426,447.63, 21,288,036.36 and 8,456,886.82

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Solution

The fourth proportional to 15,426,447.63, 21,288,036.36 and 8,456,886.82 is: 11,670,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,447.63 : 21,288,036.36 = 8,456,886.82 : x
  2. Step 2: Convert to fraction form
    15,426,447.63/21,288,036.36 = 8,456,886.82/x
  3. Step 3: Cross multiply
    15,426,447.63x = 21,288,036.36 × 8,456,886.82
  4. Step 4: Simplify right side
    15,426,447.63x = 180,030,514,116,564.78
  5. Step 5: Solve for x
    x = 180,030,514,116,564.78/15,426,447.63
  6. Step 6: Final answer
    x = 11,670,250.89

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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.