Home / 28,618,248.92-39,480,155.58-17,009,214.68

Finding the Fourth Proportional to 28,618,248.92, 39,480,155.58 and 17,009,214.68

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Solution

The fourth proportional to 28,618,248.92, 39,480,155.58 and 17,009,214.68 is: 23,464,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,248.92 : 39,480,155.58 = 17,009,214.68 : x
  2. Step 2: Convert to fraction form
    28,618,248.92/39,480,155.58 = 17,009,214.68/x
  3. Step 3: Cross multiply
    28,618,248.92x = 39,480,155.58 × 17,009,214.68
  4. Step 4: Simplify right side
    28,618,248.92x = 671,526,441,860,019.88
  5. Step 5: Solve for x
    x = 671,526,441,860,019.88/28,618,248.92
  6. Step 6: Final answer
    x = 23,464,973.13

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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.