Home / 12,547,503.60-18,821,255.40-9,358,857.60

Finding the Fourth Proportional to 12,547,503.60, 18,821,255.40 and 9,358,857.60

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Solution

The fourth proportional to 12,547,503.60, 18,821,255.40 and 9,358,857.60 is: 14,038,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,503.60 : 18,821,255.40 = 9,358,857.60 : x
  2. Step 2: Convert to fraction form
    12,547,503.60/18,821,255.40 = 9,358,857.60/x
  3. Step 3: Cross multiply
    12,547,503.60x = 18,821,255.40 × 9,358,857.60
  4. Step 4: Simplify right side
    12,547,503.60x = 176,145,449,141,831.03
  5. Step 5: Solve for x
    x = 176,145,449,141,831.03/12,547,503.60
  6. Step 6: Final answer
    x = 14,038,286.40

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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.