Home / 12,624,455.07-17,421,399.51-7,117,781.80

Finding the Fourth Proportional to 12,624,455.07, 17,421,399.51 and 7,117,781.80

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Solution

The fourth proportional to 12,624,455.07, 17,421,399.51 and 7,117,781.80 is: 9,822,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,455.07 : 17,421,399.51 = 7,117,781.80 : x
  2. Step 2: Convert to fraction form
    12,624,455.07/17,421,399.51 = 7,117,781.80/x
  3. Step 3: Cross multiply
    12,624,455.07x = 17,421,399.51 × 7,117,781.80
  4. Step 4: Simplify right side
    12,624,455.07x = 124,001,720,325,226.88
  5. Step 5: Solve for x
    x = 124,001,720,325,226.88/12,624,455.07
  6. Step 6: Final answer
    x = 9,822,342.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.