Home / 19,492,092.90-29,238,139.35-13,445,475.30

Finding the Fourth Proportional to 19,492,092.90, 29,238,139.35 and 13,445,475.30

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Solution

The fourth proportional to 19,492,092.90, 29,238,139.35 and 13,445,475.30 is: 20,168,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492,092.90 : 29,238,139.35 = 13,445,475.30 : x
  2. Step 2: Convert to fraction form
    19,492,092.90/29,238,139.35 = 13,445,475.30/x
  3. Step 3: Cross multiply
    19,492,092.90x = 29,238,139.35 × 13,445,475.30
  4. Step 4: Simplify right side
    19,492,092.90x = 393,120,680,448,383.12
  5. Step 5: Solve for x
    x = 393,120,680,448,383.12/19,492,092.90
  6. Step 6: Final answer
    x = 20,168,212.95

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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.