Home / 12,607,627.60-18,911,441.40-9,418,981.60

Finding the Fourth Proportional to 12,607,627.60, 18,911,441.40 and 9,418,981.60

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Solution

The fourth proportional to 12,607,627.60, 18,911,441.40 and 9,418,981.60 is: 14,128,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,627.60 : 18,911,441.40 = 9,418,981.60 : x
  2. Step 2: Convert to fraction form
    12,607,627.60/18,911,441.40 = 9,418,981.60/x
  3. Step 3: Cross multiply
    12,607,627.60x = 18,911,441.40 × 9,418,981.60
  4. Step 4: Simplify right side
    12,607,627.60x = 178,126,518,576,078.22
  5. Step 5: Solve for x
    x = 178,126,518,576,078.22/12,607,627.60
  6. Step 6: Final answer
    x = 14,128,472.40

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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.