Home / 9,724,884.84-13,421,149.20-5,374,820.88

Finding the Fourth Proportional to 9,724,884.84, 13,421,149.20 and 5,374,820.88

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Solution

The fourth proportional to 9,724,884.84, 13,421,149.20 and 5,374,820.88 is: 7,417,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724,884.84 : 13,421,149.20 = 5,374,820.88 : x
  2. Step 2: Convert to fraction form
    9,724,884.84/13,421,149.20 = 5,374,820.88/x
  3. Step 3: Cross multiply
    9,724,884.84x = 13,421,149.20 × 5,374,820.88
  4. Step 4: Simplify right side
    9,724,884.84x = 72,136,272,953,755.30
  5. Step 5: Solve for x
    x = 72,136,272,953,755.30/9,724,884.84
  6. Step 6: Final answer
    x = 7,417,699.45

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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.