Home / 28,426,811.17-39,228,999.45-15,374,070.02

Finding the Fourth Proportional to 28,426,811.17, 39,228,999.45 and 15,374,070.02

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Solution

The fourth proportional to 28,426,811.17, 39,228,999.45 and 15,374,070.02 is: 21,216,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,811.17 : 39,228,999.45 = 15,374,070.02 : x
  2. Step 2: Convert to fraction form
    28,426,811.17/39,228,999.45 = 15,374,070.02/x
  3. Step 3: Cross multiply
    28,426,811.17x = 39,228,999.45 × 15,374,070.02
  4. Step 4: Simplify right side
    28,426,811.17x = 603,109,384,358,841.50
  5. Step 5: Solve for x
    x = 603,109,384,358,841.50/28,426,811.17
  6. Step 6: Final answer
    x = 21,216,216.65

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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.