Home / 18,436,972.59-25,443,018.05-10,177,032.87

Finding the Fourth Proportional to 18,436,972.59, 25,443,018.05 and 10,177,032.87

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Solution

The fourth proportional to 18,436,972.59, 25,443,018.05 and 10,177,032.87 is: 14,044,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,972.59 : 25,443,018.05 = 10,177,032.87 : x
  2. Step 2: Convert to fraction form
    18,436,972.59/25,443,018.05 = 10,177,032.87/x
  3. Step 3: Cross multiply
    18,436,972.59x = 25,443,018.05 × 10,177,032.87
  4. Step 4: Simplify right side
    18,436,972.59x = 258,934,430,955,968.12
  5. Step 5: Solve for x
    x = 258,934,430,955,968.12/18,436,972.59
  6. Step 6: Final answer
    x = 14,044,303.08

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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.