Home / 9,780,781.40-14,671,172.10-3,388,909.40

Finding the Fourth Proportional to 9,780,781.40, 14,671,172.10 and 3,388,909.40

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Solution

The fourth proportional to 9,780,781.40, 14,671,172.10 and 3,388,909.40 is: 5,083,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,781.40 : 14,671,172.10 = 3,388,909.40 : x
  2. Step 2: Convert to fraction form
    9,780,781.40/14,671,172.10 = 3,388,909.40/x
  3. Step 3: Cross multiply
    9,780,781.40x = 14,671,172.10 × 3,388,909.40
  4. Step 4: Simplify right side
    9,780,781.40x = 49,719,273,038,707.73
  5. Step 5: Solve for x
    x = 49,719,273,038,707.73/9,780,781.40
  6. Step 6: Final answer
    x = 5,083,364.10

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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.