Home / 28,391,567.61-39,180,364.45-15,338,826.48

Finding the Fourth Proportional to 28,391,567.61, 39,180,364.45 and 15,338,826.48

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Solution

The fourth proportional to 28,391,567.61, 39,180,364.45 and 15,338,826.48 is: 21,167,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,567.61 : 39,180,364.45 = 15,338,826.48 : x
  2. Step 2: Convert to fraction form
    28,391,567.61/39,180,364.45 = 15,338,826.48/x
  3. Step 3: Cross multiply
    28,391,567.61x = 39,180,364.45 × 15,338,826.48
  4. Step 4: Simplify right side
    28,391,567.61x = 600,980,811,721,710.75
  5. Step 5: Solve for x
    x = 600,980,811,721,710.75/28,391,567.61
  6. Step 6: Final answer
    x = 21,167,581.16

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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.