Home / 12,873,315.90-19,322,415.45-6,490,775.10

Finding the Fourth Proportional to 12,873,315.90, 19,322,415.45 and 6,490,775.10

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Solution

The fourth proportional to 12,873,315.90, 19,322,415.45 and 6,490,775.10 is: 9,742,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,315.90 : 19,322,415.45 = 6,490,775.10 : x
  2. Step 2: Convert to fraction form
    12,873,315.90/19,322,415.45 = 6,490,775.10/x
  3. Step 3: Cross multiply
    12,873,315.90x = 19,322,415.45 × 6,490,775.10
  4. Step 4: Simplify right side
    12,873,315.90x = 125,417,453,074,715.28
  5. Step 5: Solve for x
    x = 125,417,453,074,715.28/12,873,315.90
  6. Step 6: Final answer
    x = 9,742,435.75

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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.