Home / 21,828,616.10-32,679,938.55-19,309,192.10

Finding the Fourth Proportional to 21,828,616.10, 32,679,938.55 and 19,309,192.10

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Solution

The fourth proportional to 21,828,616.10, 32,679,938.55 and 19,309,192.10 is: 28,908,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828,616.10 : 32,679,938.55 = 19,309,192.10 : x
  2. Step 2: Convert to fraction form
    21,828,616.10/32,679,938.55 = 19,309,192.10/x
  3. Step 3: Cross multiply
    21,828,616.10x = 32,679,938.55 × 19,309,192.10
  4. Step 4: Simplify right side
    21,828,616.10x = 631,023,211,278,145.50
  5. Step 5: Solve for x
    x = 631,023,211,278,145.50/21,828,616.10
  6. Step 6: Final answer
    x = 28,908,072.25

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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.