Home / 9,709,970.42-13,399,693.16-5,359,056.59

Finding the Fourth Proportional to 9,709,970.42, 13,399,693.16 and 5,359,056.59

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Solution

The fourth proportional to 9,709,970.42, 13,399,693.16 and 5,359,056.59 is: 7,395,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,970.42 : 13,399,693.16 = 5,359,056.59 : x
  2. Step 2: Convert to fraction form
    9,709,970.42/13,399,693.16 = 5,359,056.59/x
  3. Step 3: Cross multiply
    9,709,970.42x = 13,399,693.16 × 5,359,056.59
  4. Step 4: Simplify right side
    9,709,970.42x = 71,809,713,969,924.56
  5. Step 5: Solve for x
    x = 71,809,713,969,924.56/9,709,970.42
  6. Step 6: Final answer
    x = 7,395,461.66

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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.