Home / 8,590,107.60-12,884,866.20-2,200,415.40

Finding the Fourth Proportional to 8,590,107.60, 12,884,866.20 and 2,200,415.40

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Solution

The fourth proportional to 8,590,107.60, 12,884,866.20 and 2,200,415.40 is: 3,300,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,107.60 : 12,884,866.20 = 2,200,415.40 : x
  2. Step 2: Convert to fraction form
    8,590,107.60/12,884,866.20 = 2,200,415.40/x
  3. Step 3: Cross multiply
    8,590,107.60x = 12,884,866.20 × 2,200,415.40
  4. Step 4: Simplify right side
    8,590,107.60x = 28,352,058,013,419.48
  5. Step 5: Solve for x
    x = 28,352,058,013,419.48/8,590,107.60
  6. Step 6: Final answer
    x = 3,300,547.48

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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.