Home / 15,645,335.55-21,590,528.37-8,675,840.87

Finding the Fourth Proportional to 15,645,335.55, 21,590,528.37 and 8,675,840.87

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Solution

The fourth proportional to 15,645,335.55, 21,590,528.37 and 8,675,840.87 is: 11,972,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645,335.55 : 21,590,528.37 = 8,675,840.87 : x
  2. Step 2: Convert to fraction form
    15,645,335.55/21,590,528.37 = 8,675,840.87/x
  3. Step 3: Cross multiply
    15,645,335.55x = 21,590,528.37 × 8,675,840.87
  4. Step 4: Simplify right side
    15,645,335.55x = 187,315,988,329,387.84
  5. Step 5: Solve for x
    x = 187,315,988,329,387.84/15,645,335.55
  6. Step 6: Final answer
    x = 11,972,641.16

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1.5x scale

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.