Home / 12,417,115.20-18,646,927.20-6,748,411.20

Finding the Fourth Proportional to 12,417,115.20, 18,646,927.20 and 6,748,411.20

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Solution

The fourth proportional to 12,417,115.20, 18,646,927.20 and 6,748,411.20 is: 10,134,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417,115.20 : 18,646,927.20 = 6,748,411.20 : x
  2. Step 2: Convert to fraction form
    12,417,115.20/18,646,927.20 = 6,748,411.20/x
  3. Step 3: Cross multiply
    12,417,115.20x = 18,646,927.20 × 6,748,411.20
  4. Step 4: Simplify right side
    12,417,115.20x = 125,837,132,362,064.64
  5. Step 5: Solve for x
    x = 125,837,132,362,064.64/12,417,115.20
  6. Step 6: Final answer
    x = 10,134,168.07

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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.