Home / 28,470,117.14-39,288,799.54-15,417,398.56

Finding the Fourth Proportional to 28,470,117.14, 39,288,799.54 and 15,417,398.56

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Solution

The fourth proportional to 28,470,117.14, 39,288,799.54 and 15,417,398.56 is: 21,276,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470,117.14 : 39,288,799.54 = 15,417,398.56 : x
  2. Step 2: Convert to fraction form
    28,470,117.14/39,288,799.54 = 15,417,398.56/x
  3. Step 3: Cross multiply
    28,470,117.14x = 39,288,799.54 × 15,417,398.56
  4. Step 4: Simplify right side
    28,470,117.14x = 605,731,081,452,124.62
  5. Step 5: Solve for x
    x = 605,731,081,452,124.62/28,470,117.14
  6. Step 6: Final answer
    x = 21,276,030.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.