Home / 21,973,848.20-32,894,417.10-19,319,640.20

Finding the Fourth Proportional to 21,973,848.20, 32,894,417.10 and 19,319,640.20

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Solution

The fourth proportional to 21,973,848.20, 32,894,417.10 and 19,319,640.20 is: 28,921,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,848.20 : 32,894,417.10 = 19,319,640.20 : x
  2. Step 2: Convert to fraction form
    21,973,848.20/32,894,417.10 = 19,319,640.20/x
  3. Step 3: Cross multiply
    21,973,848.20x = 32,894,417.10 × 19,319,640.20
  4. Step 4: Simplify right side
    21,973,848.20x = 635,508,302,960,727.38
  5. Step 5: Solve for x
    x = 635,508,302,960,727.38/21,973,848.20
  6. Step 6: Final answer
    x = 28,921,120.10

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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.