Home / 19,937,448.61-27,518,797.90-12,985,449.46

Finding the Fourth Proportional to 19,937,448.61, 27,518,797.90 and 12,985,449.46

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Solution

The fourth proportional to 19,937,448.61, 27,518,797.90 and 12,985,449.46 is: 17,923,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,448.61 : 27,518,797.90 = 12,985,449.46 : x
  2. Step 2: Convert to fraction form
    19,937,448.61/27,518,797.90 = 12,985,449.46/x
  3. Step 3: Cross multiply
    19,937,448.61x = 27,518,797.90 × 12,985,449.46
  4. Step 4: Simplify right side
    19,937,448.61x = 357,343,959,296,005.62
  5. Step 5: Solve for x
    x = 357,343,959,296,005.62/19,937,448.61
  6. Step 6: Final answer
    x = 17,923,254.19

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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.