Home / 28,762,607.10-43,143,910.65-21,204,335.10

Finding the Fourth Proportional to 28,762,607.10, 43,143,910.65 and 21,204,335.10

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Solution

The fourth proportional to 28,762,607.10, 43,143,910.65 and 21,204,335.10 is: 31,806,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762,607.10 : 43,143,910.65 = 21,204,335.10 : x
  2. Step 2: Convert to fraction form
    28,762,607.10/43,143,910.65 = 21,204,335.10/x
  3. Step 3: Cross multiply
    28,762,607.10x = 43,143,910.65 × 21,204,335.10
  4. Step 4: Simplify right side
    28,762,607.10x = 914,837,938,947,058.88
  5. Step 5: Solve for x
    x = 914,837,938,947,058.88/28,762,607.10
  6. Step 6: Final answer
    x = 31,806,502.65

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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.