Home / 15,335,789.56-21,163,271.38-8,460,561.40

Finding the Fourth Proportional to 15,335,789.56, 21,163,271.38 and 8,460,561.40

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Solution

The fourth proportional to 15,335,789.56, 21,163,271.38 and 8,460,561.40 is: 11,675,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335,789.56 : 21,163,271.38 = 8,460,561.40 : x
  2. Step 2: Convert to fraction form
    15,335,789.56/21,163,271.38 = 8,460,561.40/x
  3. Step 3: Cross multiply
    15,335,789.56x = 21,163,271.38 × 8,460,561.40
  4. Step 4: Simplify right side
    15,335,789.56x = 179,053,156,935,352.72
  5. Step 5: Solve for x
    x = 179,053,156,935,352.72/15,335,789.56
  6. Step 6: Final answer
    x = 11,675,509.52

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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.