Home / 19,937,478.39-27,518,839.01-12,985,479.24

Finding the Fourth Proportional to 19,937,478.39, 27,518,839.01 and 12,985,479.24

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Solution

The fourth proportional to 19,937,478.39, 27,518,839.01 and 12,985,479.24 is: 17,923,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,478.39 : 27,518,839.01 = 12,985,479.24 : x
  2. Step 2: Convert to fraction form
    19,937,478.39/27,518,839.01 = 12,985,479.24/x
  3. Step 3: Cross multiply
    19,937,478.39x = 27,518,839.01 × 12,985,479.24
  4. Step 4: Simplify right side
    19,937,478.39x = 357,345,312,608,329.75
  5. Step 5: Solve for x
    x = 357,345,312,608,329.75/19,937,478.39
  6. Step 6: Final answer
    x = 17,923,295.29

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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.