Home / 13,353,412.10-20,030,118.15-12,457,616.90

Finding the Fourth Proportional to 13,353,412.10, 20,030,118.15 and 12,457,616.90

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Solution

The fourth proportional to 13,353,412.10, 20,030,118.15 and 12,457,616.90 is: 18,686,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,412.10 : 20,030,118.15 = 12,457,616.90 : x
  2. Step 2: Convert to fraction form
    13,353,412.10/20,030,118.15 = 12,457,616.90/x
  3. Step 3: Cross multiply
    13,353,412.10x = 20,030,118.15 × 12,457,616.90
  4. Step 4: Simplify right side
    13,353,412.10x = 249,527,538,374,436.72
  5. Step 5: Solve for x
    x = 249,527,538,374,436.72/13,353,412.10
  6. Step 6: Final answer
    x = 18,686,425.35

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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.