Home / 13,417,510.80-20,126,266.20-12,241,779.60

Finding the Fourth Proportional to 13,417,510.80, 20,126,266.20 and 12,241,779.60

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Solution

The fourth proportional to 13,417,510.80, 20,126,266.20 and 12,241,779.60 is: 18,362,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,510.80 : 20,126,266.20 = 12,241,779.60 : x
  2. Step 2: Convert to fraction form
    13,417,510.80/20,126,266.20 = 12,241,779.60/x
  3. Step 3: Cross multiply
    13,417,510.80x = 20,126,266.20 × 12,241,779.60
  4. Step 4: Simplify right side
    13,417,510.80x = 246,381,314,991,329.50
  5. Step 5: Solve for x
    x = 246,381,314,991,329.50/13,417,510.80
  6. Step 6: Final answer
    x = 18,362,669.40

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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.