Home / 13,227,547.74-19,836,220.23-5,139,458.52

Finding the Fourth Proportional to 13,227,547.74, 19,836,220.23 and 5,139,458.52

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Solution

The fourth proportional to 13,227,547.74, 19,836,220.23 and 5,139,458.52 is: 7,707,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,547.74 : 19,836,220.23 = 5,139,458.52 : x
  2. Step 2: Convert to fraction form
    13,227,547.74/19,836,220.23 = 5,139,458.52/x
  3. Step 3: Cross multiply
    13,227,547.74x = 19,836,220.23 × 5,139,458.52
  4. Step 4: Simplify right side
    13,227,547.74x = 101,947,431,065,669.86
  5. Step 5: Solve for x
    x = 101,947,431,065,669.86/13,227,547.74
  6. Step 6: Final answer
    x = 7,707,205.68

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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.