Home / 18,712,536.48-25,825,541.04-11,371,569.12

Finding the Fourth Proportional to 18,712,536.48, 25,825,541.04 and 11,371,569.12

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Solution

The fourth proportional to 18,712,536.48, 25,825,541.04 and 11,371,569.12 is: 15,694,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,536.48 : 25,825,541.04 = 11,371,569.12 : x
  2. Step 2: Convert to fraction form
    18,712,536.48/25,825,541.04 = 11,371,569.12/x
  3. Step 3: Cross multiply
    18,712,536.48x = 25,825,541.04 × 11,371,569.12
  4. Step 4: Simplify right side
    18,712,536.48x = 293,676,924,997,756.62
  5. Step 5: Solve for x
    x = 293,676,924,997,756.62/18,712,536.48
  6. Step 6: Final answer
    x = 15,694,127.05

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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.