Home / 28,588,606.40-42,891,326.72-10,392,514.90

Finding the Fourth Proportional to 28,588,606.40, 42,891,326.72 and 10,392,514.90

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Solution

The fourth proportional to 28,588,606.40, 42,891,326.72 and 10,392,514.90 is: 15,591,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,606.40 : 42,891,326.72 = 10,392,514.90 : x
  2. Step 2: Convert to fraction form
    28,588,606.40/42,891,326.72 = 10,392,514.90/x
  3. Step 3: Cross multiply
    28,588,606.40x = 42,891,326.72 × 10,392,514.90
  4. Step 4: Simplify right side
    28,588,606.40x = 445,748,752,018,368.12
  5. Step 5: Solve for x
    x = 445,748,752,018,368.12/28,588,606.40
  6. Step 6: Final answer
    x = 15,591,832.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.