Home / 30,339,741.60-45,509,612.40-12,152,649.60

Finding the Fourth Proportional to 30,339,741.60, 45,509,612.40 and 12,152,649.60

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Solution

The fourth proportional to 30,339,741.60, 45,509,612.40 and 12,152,649.60 is: 18,228,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,741.60 : 45,509,612.40 = 12,152,649.60 : x
  2. Step 2: Convert to fraction form
    30,339,741.60/45,509,612.40 = 12,152,649.60/x
  3. Step 3: Cross multiply
    30,339,741.60x = 45,509,612.40 × 12,152,649.60
  4. Step 4: Simplify right side
    30,339,741.60x = 553,062,372,929,015
  5. Step 5: Solve for x
    x = 553,062,372,929,015/30,339,741.60
  6. Step 6: Final answer
    x = 18,228,974.40

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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.