Home / 15,335,788.56-21,163,270-8,460,560.40

Finding the Fourth Proportional to 15,335,788.56, 21,163,270 and 8,460,560.40

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Solution

The fourth proportional to 15,335,788.56, 21,163,270 and 8,460,560.40 is: 11,675,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335,788.56 : 21,163,270 = 8,460,560.40 : x
  2. Step 2: Convert to fraction form
    15,335,788.56/21,163,270 = 8,460,560.40/x
  3. Step 3: Cross multiply
    15,335,788.56x = 21,163,270 × 8,460,560.40
  4. Step 4: Simplify right side
    15,335,788.56x = 179,053,124,096,508
  5. Step 5: Solve for x
    x = 179,053,124,096,508/15,335,788.56
  6. Step 6: Final answer
    x = 11,675,508.14

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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.