Home / 12,518,274.12-18,777,411.48-6,835,398.36

Finding the Fourth Proportional to 12,518,274.12, 18,777,411.48 and 6,835,398.36

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Solution

The fourth proportional to 12,518,274.12, 18,777,411.48 and 6,835,398.36 is: 10,253,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518,274.12 : 18,777,411.48 = 6,835,398.36 : x
  2. Step 2: Convert to fraction form
    12,518,274.12/18,777,411.48 = 6,835,398.36/x
  3. Step 3: Cross multiply
    12,518,274.12x = 18,777,411.48 × 6,835,398.36
  4. Step 4: Simplify right side
    12,518,274.12x = 128,351,087,635,437.19
  5. Step 5: Solve for x
    x = 128,351,087,635,437.19/12,518,274.12
  6. Step 6: Final answer
    x = 10,253,097.70

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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.