Home / 19,937,459.43-27,518,812.82-12,985,460.28

Finding the Fourth Proportional to 19,937,459.43, 27,518,812.82 and 12,985,460.28

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Solution

The fourth proportional to 19,937,459.43, 27,518,812.82 and 12,985,460.28 is: 17,923,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,459.43 : 27,518,812.82 = 12,985,460.28 : x
  2. Step 2: Convert to fraction form
    19,937,459.43/27,518,812.82 = 12,985,460.28/x
  3. Step 3: Cross multiply
    19,937,459.43x = 27,518,812.82 × 12,985,460.28
  4. Step 4: Simplify right side
    19,937,459.43x = 357,344,450,826,864.75
  5. Step 5: Solve for x
    x = 357,344,450,826,864.75/19,937,459.43
  6. Step 6: Final answer
    x = 17,923,269.11

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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.