Home / 19,928,298.90-29,892,448.35-7,150,095.30

Finding the Fourth Proportional to 19,928,298.90, 29,892,448.35 and 7,150,095.30

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Solution

The fourth proportional to 19,928,298.90, 29,892,448.35 and 7,150,095.30 is: 10,725,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,298.90 : 29,892,448.35 = 7,150,095.30 : x
  2. Step 2: Convert to fraction form
    19,928,298.90/29,892,448.35 = 7,150,095.30/x
  3. Step 3: Cross multiply
    19,928,298.90x = 29,892,448.35 × 7,150,095.30
  4. Step 4: Simplify right side
    19,928,298.90x = 213,733,854,452,827.75
  5. Step 5: Solve for x
    x = 213,733,854,452,827.75/19,928,298.90
  6. Step 6: Final answer
    x = 10,725,142.95

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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.