Home / 28,272,477.60-42,408,716.40-10,097,195.40

Finding the Fourth Proportional to 28,272,477.60, 42,408,716.40 and 10,097,195.40

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Solution

The fourth proportional to 28,272,477.60, 42,408,716.40 and 10,097,195.40 is: 15,145,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,477.60 : 42,408,716.40 = 10,097,195.40 : x
  2. Step 2: Convert to fraction form
    28,272,477.60/42,408,716.40 = 10,097,195.40/x
  3. Step 3: Cross multiply
    28,272,477.60x = 42,408,716.40 × 10,097,195.40
  4. Step 4: Simplify right side
    28,272,477.60x = 428,209,096,153,984.56
  5. Step 5: Solve for x
    x = 428,209,096,153,984.56/28,272,477.60
  6. Step 6: Final answer
    x = 15,145,793.10

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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.