Home / 13,872,006.60-20,808,009.90-9,337,043.40

Finding the Fourth Proportional to 13,872,006.60, 20,808,009.90 and 9,337,043.40

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Solution

The fourth proportional to 13,872,006.60, 20,808,009.90 and 9,337,043.40 is: 14,005,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,006.60 : 20,808,009.90 = 9,337,043.40 : x
  2. Step 2: Convert to fraction form
    13,872,006.60/20,808,009.90 = 9,337,043.40/x
  3. Step 3: Cross multiply
    13,872,006.60x = 20,808,009.90 × 9,337,043.40
  4. Step 4: Simplify right side
    13,872,006.60x = 194,285,291,503,929.66
  5. Step 5: Solve for x
    x = 194,285,291,503,929.66/13,872,006.60
  6. Step 6: Final answer
    x = 14,005,565.10

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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.