Home / 28,942,246.60-43,413,369.90-11,915,139.40

Finding the Fourth Proportional to 28,942,246.60, 43,413,369.90 and 11,915,139.40

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Solution

The fourth proportional to 28,942,246.60, 43,413,369.90 and 11,915,139.40 is: 17,872,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942,246.60 : 43,413,369.90 = 11,915,139.40 : x
  2. Step 2: Convert to fraction form
    28,942,246.60/43,413,369.90 = 11,915,139.40/x
  3. Step 3: Cross multiply
    28,942,246.60x = 43,413,369.90 × 11,915,139.40
  4. Step 4: Simplify right side
    28,942,246.60x = 517,276,354,182,264.06
  5. Step 5: Solve for x
    x = 517,276,354,182,264.06/28,942,246.60
  6. Step 6: Final answer
    x = 17,872,709.10

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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.