Home / 12,643,748-17,436,528.72-8,392,798.22

Finding the Fourth Proportional to 12,643,748, 17,436,528.72 and 8,392,798.22

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Solution

The fourth proportional to 12,643,748, 17,436,528.72 and 8,392,798.22 is: 11,574,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,748 : 17,436,528.72 = 8,392,798.22 : x
  2. Step 2: Convert to fraction form
    12,643,748/17,436,528.72 = 8,392,798.22/x
  3. Step 3: Cross multiply
    12,643,748x = 17,436,528.72 × 8,392,798.22
  4. Step 4: Simplify right side
    12,643,748x = 146,341,267,204,194.88
  5. Step 5: Solve for x
    x = 146,341,267,204,194.88/12,643,748
  6. Step 6: Final answer
    x = 11,574,199.93

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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.