Home / 30,347,404.60-45,521,106.90-28,331,865.40

Finding the Fourth Proportional to 30,347,404.60, 45,521,106.90 and 28,331,865.40

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Solution

The fourth proportional to 30,347,404.60, 45,521,106.90 and 28,331,865.40 is: 42,497,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,404.60 : 45,521,106.90 = 28,331,865.40 : x
  2. Step 2: Convert to fraction form
    30,347,404.60/45,521,106.90 = 28,331,865.40/x
  3. Step 3: Cross multiply
    30,347,404.60x = 45,521,106.90 × 28,331,865.40
  4. Step 4: Simplify right side
    30,347,404.60x = 1,289,697,873,549,811.25
  5. Step 5: Solve for x
    x = 1,289,697,873,549,811.25/30,347,404.60
  6. Step 6: Final answer
    x = 42,497,798.10

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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.