Home / 15,408,038.40-23,112,057.60-7,445,414.40

Finding the Fourth Proportional to 15,408,038.40, 23,112,057.60 and 7,445,414.40

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Solution

The fourth proportional to 15,408,038.40, 23,112,057.60 and 7,445,414.40 is: 11,168,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,038.40 : 23,112,057.60 = 7,445,414.40 : x
  2. Step 2: Convert to fraction form
    15,408,038.40/23,112,057.60 = 7,445,414.40/x
  3. Step 3: Cross multiply
    15,408,038.40x = 23,112,057.60 × 7,445,414.40
  4. Step 4: Simplify right side
    15,408,038.40x = 172,078,846,468,669.47
  5. Step 5: Solve for x
    x = 172,078,846,468,669.47/15,408,038.40
  6. Step 6: Final answer
    x = 11,168,121.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.