Home / 28,426,810.17-39,228,998.07-15,374,069.02

Finding the Fourth Proportional to 28,426,810.17, 39,228,998.07 and 15,374,069.02

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Solution

The fourth proportional to 28,426,810.17, 39,228,998.07 and 15,374,069.02 is: 21,216,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,810.17 : 39,228,998.07 = 15,374,069.02 : x
  2. Step 2: Convert to fraction form
    28,426,810.17/39,228,998.07 = 15,374,069.02/x
  3. Step 3: Cross multiply
    28,426,810.17x = 39,228,998.07 × 15,374,069.02
  4. Step 4: Simplify right side
    28,426,810.17x = 603,109,323,933,836.75
  5. Step 5: Solve for x
    x = 603,109,323,933,836.75/28,426,810.17
  6. Step 6: Final answer
    x = 21,216,215.26

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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.