Home / 13,353,395.60-20,030,093.40-12,457,600.40

Finding the Fourth Proportional to 13,353,395.60, 20,030,093.40 and 12,457,600.40

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Solution

The fourth proportional to 13,353,395.60, 20,030,093.40 and 12,457,600.40 is: 18,686,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,395.60 : 20,030,093.40 = 12,457,600.40 : x
  2. Step 2: Convert to fraction form
    13,353,395.60/20,030,093.40 = 12,457,600.40/x
  3. Step 3: Cross multiply
    13,353,395.60x = 20,030,093.40 × 12,457,600.40
  4. Step 4: Simplify right side
    13,353,395.60x = 249,526,899,551,877.34
  5. Step 5: Solve for x
    x = 249,526,899,551,877.34/13,353,395.60
  6. Step 6: Final answer
    x = 18,686,400.60

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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.