Home / 12,299,314.60-18,448,971.90-8,709,135.40

Finding the Fourth Proportional to 12,299,314.60, 18,448,971.90 and 8,709,135.40

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Solution

The fourth proportional to 12,299,314.60, 18,448,971.90 and 8,709,135.40 is: 13,063,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,314.60 : 18,448,971.90 = 8,709,135.40 : x
  2. Step 2: Convert to fraction form
    12,299,314.60/18,448,971.90 = 8,709,135.40/x
  3. Step 3: Cross multiply
    12,299,314.60x = 18,448,971.90 × 8,709,135.40
  4. Step 4: Simplify right side
    12,299,314.60x = 160,674,594,267,895.25
  5. Step 5: Solve for x
    x = 160,674,594,267,895.25/12,299,314.60
  6. Step 6: Final answer
    x = 13,063,703.10

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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.