Home / 15,516,331.10-21,408,275.69-10,801,442.73

Finding the Fourth Proportional to 15,516,331.10, 21,408,275.69 and 10,801,442.73

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Solution

The fourth proportional to 15,516,331.10, 21,408,275.69 and 10,801,442.73 is: 14,903,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516,331.10 : 21,408,275.69 = 10,801,442.73 : x
  2. Step 2: Convert to fraction form
    15,516,331.10/21,408,275.69 = 10,801,442.73/x
  3. Step 3: Cross multiply
    15,516,331.10x = 21,408,275.69 × 10,801,442.73
  4. Step 4: Simplify right side
    15,516,331.10x = 231,240,263,801,497.19
  5. Step 5: Solve for x
    x = 231,240,263,801,497.19/15,516,331.10
  6. Step 6: Final answer
    x = 14,903,024.58

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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.