Home / 12,495,416.60-18,743,124.90-9,975,992.60

Finding the Fourth Proportional to 12,495,416.60, 18,743,124.90 and 9,975,992.60

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Solution

The fourth proportional to 12,495,416.60, 18,743,124.90 and 9,975,992.60 is: 14,963,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,416.60 : 18,743,124.90 = 9,975,992.60 : x
  2. Step 2: Convert to fraction form
    12,495,416.60/18,743,124.90 = 9,975,992.60/x
  3. Step 3: Cross multiply
    12,495,416.60x = 18,743,124.90 × 9,975,992.60
  4. Step 4: Simplify right side
    12,495,416.60x = 186,981,275,303,275.72
  5. Step 5: Solve for x
    x = 186,981,275,303,275.72/12,495,416.60
  6. Step 6: Final answer
    x = 14,963,988.90

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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.