Home / 13,155,916.06-19,724,893.74-7,008,816.76

Finding the Fourth Proportional to 13,155,916.06, 19,724,893.74 and 7,008,816.76

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Solution

The fourth proportional to 13,155,916.06, 19,724,893.74 and 7,008,816.76 is: 10,508,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155,916.06 : 19,724,893.74 = 7,008,816.76 : x
  2. Step 2: Convert to fraction form
    13,155,916.06/19,724,893.74 = 7,008,816.76/x
  3. Step 3: Cross multiply
    13,155,916.06x = 19,724,893.74 × 7,008,816.76
  4. Step 4: Simplify right side
    13,155,916.06x = 138,248,165,834,131.06
  5. Step 5: Solve for x
    x = 138,248,165,834,131.06/13,155,916.06
  6. Step 6: Final answer
    x = 10,508,440.86

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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.