Home / 19,937,448.86-27,518,798.25-12,985,449.71

Finding the Fourth Proportional to 19,937,448.86, 27,518,798.25 and 12,985,449.71

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Solution

The fourth proportional to 19,937,448.86, 27,518,798.25 and 12,985,449.71 is: 17,923,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,448.86 : 27,518,798.25 = 12,985,449.71 : x
  2. Step 2: Convert to fraction form
    19,937,448.86/27,518,798.25 = 12,985,449.71/x
  3. Step 3: Cross multiply
    19,937,448.86x = 27,518,798.25 × 12,985,449.71
  4. Step 4: Simplify right side
    19,937,448.86x = 357,343,970,690,083.81
  5. Step 5: Solve for x
    x = 357,343,970,690,083.81/19,937,448.86
  6. Step 6: Final answer
    x = 17,923,254.53

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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.