Home / 28,677,254.40-43,015,881.60-12,752,006.40

Finding the Fourth Proportional to 28,677,254.40, 43,015,881.60 and 12,752,006.40

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Solution

The fourth proportional to 28,677,254.40, 43,015,881.60 and 12,752,006.40 is: 19,128,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,254.40 : 43,015,881.60 = 12,752,006.40 : x
  2. Step 2: Convert to fraction form
    28,677,254.40/43,015,881.60 = 12,752,006.40/x
  3. Step 3: Cross multiply
    28,677,254.40x = 43,015,881.60 × 12,752,006.40
  4. Step 4: Simplify right side
    28,677,254.40x = 548,538,797,464,842.25
  5. Step 5: Solve for x
    x = 548,538,797,464,842.25/28,677,254.40
  6. Step 6: Final answer
    x = 19,128,009.60

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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.