Home / 18,900,292.53-28,350,280.34-5,253,398.86

Finding the Fourth Proportional to 18,900,292.53, 28,350,280.34 and 5,253,398.86

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Solution

The fourth proportional to 18,900,292.53, 28,350,280.34 and 5,253,398.86 is: 7,880,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900,292.53 : 28,350,280.34 = 5,253,398.86 : x
  2. Step 2: Convert to fraction form
    18,900,292.53/28,350,280.34 = 5,253,398.86/x
  3. Step 3: Cross multiply
    18,900,292.53x = 28,350,280.34 × 5,253,398.86
  4. Step 4: Simplify right side
    18,900,292.53x = 148,935,330,418,836.41
  5. Step 5: Solve for x
    x = 148,935,330,418,836.41/18,900,292.53
  6. Step 6: Final answer
    x = 7,880,054.25

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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.