Home / 13,353,448.60-20,030,172.90-12,457,653.40

Finding the Fourth Proportional to 13,353,448.60, 20,030,172.90 and 12,457,653.40

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Solution

The fourth proportional to 13,353,448.60, 20,030,172.90 and 12,457,653.40 is: 18,686,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,448.60 : 20,030,172.90 = 12,457,653.40 : x
  2. Step 2: Convert to fraction form
    13,353,448.60/20,030,172.90 = 12,457,653.40/x
  3. Step 3: Cross multiply
    13,353,448.60x = 20,030,172.90 × 12,457,653.40
  4. Step 4: Simplify right side
    13,353,448.60x = 249,528,951,530,272.84
  5. Step 5: Solve for x
    x = 249,528,951,530,272.84/13,353,448.60
  6. Step 6: Final answer
    x = 18,686,480.10

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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.