Home / 19,419,944.40-29,129,916.60-7,289,384.40

Finding the Fourth Proportional to 19,419,944.40, 29,129,916.60 and 7,289,384.40

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Solution

The fourth proportional to 19,419,944.40, 29,129,916.60 and 7,289,384.40 is: 10,934,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,944.40 : 29,129,916.60 = 7,289,384.40 : x
  2. Step 2: Convert to fraction form
    19,419,944.40/29,129,916.60 = 7,289,384.40/x
  3. Step 3: Cross multiply
    19,419,944.40x = 29,129,916.60 × 7,289,384.40
  4. Step 4: Simplify right side
    19,419,944.40x = 212,339,159,637,341.06
  5. Step 5: Solve for x
    x = 212,339,159,637,341.06/19,419,944.40
  6. Step 6: Final answer
    x = 10,934,076.60

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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.