Home / 12,089,206.80-18,122,000.40-10,813,748.40

Finding the Fourth Proportional to 12,089,206.80, 18,122,000.40 and 10,813,748.40

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Solution

The fourth proportional to 12,089,206.80, 18,122,000.40 and 10,813,748.40 is: 16,210,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,206.80 : 18,122,000.40 = 10,813,748.40 : x
  2. Step 2: Convert to fraction form
    12,089,206.80/18,122,000.40 = 10,813,748.40/x
  3. Step 3: Cross multiply
    12,089,206.80x = 18,122,000.40 × 10,813,748.40
  4. Step 4: Simplify right side
    12,089,206.80x = 195,966,752,830,299.34
  5. Step 5: Solve for x
    x = 195,966,752,830,299.34/12,089,206.80
  6. Step 6: Final answer
    x = 16,210,058.78

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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.