Home / 30,461,667.60-42,036,856.28-16,522,988.06

Finding the Fourth Proportional to 30,461,667.60, 42,036,856.28 and 16,522,988.06

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Solution

The fourth proportional to 30,461,667.60, 42,036,856.28 and 16,522,988.06 is: 22,801,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461,667.60 : 42,036,856.28 = 16,522,988.06 : x
  2. Step 2: Convert to fraction form
    30,461,667.60/42,036,856.28 = 16,522,988.06/x
  3. Step 3: Cross multiply
    30,461,667.60x = 42,036,856.28 × 16,522,988.06
  4. Step 4: Simplify right side
    30,461,667.60x = 694,574,474,394,376
  5. Step 5: Solve for x
    x = 694,574,474,394,376/30,461,667.60
  6. Step 6: Final answer
    x = 22,801,590.63

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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.