Home / 28,411,943.16-39,219,143.76-18,623,017.92

Finding the Fourth Proportional to 28,411,943.16, 39,219,143.76 and 18,623,017.92

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Solution

The fourth proportional to 28,411,943.16, 39,219,143.76 and 18,623,017.92 is: 25,706,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,943.16 : 39,219,143.76 = 18,623,017.92 : x
  2. Step 2: Convert to fraction form
    28,411,943.16/39,219,143.76 = 18,623,017.92/x
  3. Step 3: Cross multiply
    28,411,943.16x = 39,219,143.76 × 18,623,017.92
  4. Step 4: Simplify right side
    28,411,943.16x = 730,378,817,049,536.25
  5. Step 5: Solve for x
    x = 730,378,817,049,536.25/28,411,943.16
  6. Step 6: Final answer
    x = 25,706,753.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.