Home / 20,208,541.60-30,312,812.40-15,673,578.40

Finding the Fourth Proportional to 20,208,541.60, 30,312,812.40 and 15,673,578.40

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Solution

The fourth proportional to 20,208,541.60, 30,312,812.40 and 15,673,578.40 is: 23,510,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,541.60 : 30,312,812.40 = 15,673,578.40 : x
  2. Step 2: Convert to fraction form
    20,208,541.60/30,312,812.40 = 15,673,578.40/x
  3. Step 3: Cross multiply
    20,208,541.60x = 30,312,812.40 × 15,673,578.40
  4. Step 4: Simplify right side
    20,208,541.60x = 475,110,241,675,892.12
  5. Step 5: Solve for x
    x = 475,110,241,675,892.12/20,208,541.60
  6. Step 6: Final answer
    x = 23,510,367.60

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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.