Home / 21,911,364.60-32,823,744.30-19,218,730.20

Finding the Fourth Proportional to 21,911,364.60, 32,823,744.30 and 19,218,730.20

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Solution

The fourth proportional to 21,911,364.60, 32,823,744.30 and 19,218,730.20 is: 28,790,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,364.60 : 32,823,744.30 = 19,218,730.20 : x
  2. Step 2: Convert to fraction form
    21,911,364.60/32,823,744.30 = 19,218,730.20/x
  3. Step 3: Cross multiply
    21,911,364.60x = 32,823,744.30 × 19,218,730.20
  4. Step 4: Simplify right side
    21,911,364.60x = 630,830,685,855,487.88
  5. Step 5: Solve for x
    x = 630,830,685,855,487.88/21,911,364.60
  6. Step 6: Final answer
    x = 28,790,114.05

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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.