Home / 10,139,207-15,210,717.30-4,074,419.54

Finding the Fourth Proportional to 10,139,207, 15,210,717.30 and 4,074,419.54

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Solution

The fourth proportional to 10,139,207, 15,210,717.30 and 4,074,419.54 is: 6,112,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139,207 : 15,210,717.30 = 4,074,419.54 : x
  2. Step 2: Convert to fraction form
    10,139,207/15,210,717.30 = 4,074,419.54/x
  3. Step 3: Cross multiply
    10,139,207x = 15,210,717.30 × 4,074,419.54
  4. Step 4: Simplify right side
    10,139,207x = 61,974,843,688,110.36
  5. Step 5: Solve for x
    x = 61,974,843,688,110.36/10,139,207
  6. Step 6: Final answer
    x = 6,112,395.54

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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.