Home / 35,856,018-53,784,493.56-11,921,490

Finding the Fourth Proportional to 35,856,018, 53,784,493.56 and 11,921,490

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Solution

The fourth proportional to 35,856,018, 53,784,493.56 and 11,921,490 is: 17,882,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856,018 : 53,784,493.56 = 11,921,490 : x
  2. Step 2: Convert to fraction form
    35,856,018/53,784,493.56 = 11,921,490/x
  3. Step 3: Cross multiply
    35,856,018x = 53,784,493.56 × 11,921,490
  4. Step 4: Simplify right side
    35,856,018x = 641,191,302,130,604.38
  5. Step 5: Solve for x
    x = 641,191,302,130,604.38/35,856,018
  6. Step 6: Final answer
    x = 17,882,390.12

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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.