Home / 10,522,085.12-15,773,796.48-5,127,718.40

Finding the Fourth Proportional to 10,522,085.12, 15,773,796.48 and 5,127,718.40

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Solution

The fourth proportional to 10,522,085.12, 15,773,796.48 and 5,127,718.40 is: 7,687,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522,085.12 : 15,773,796.48 = 5,127,718.40 : x
  2. Step 2: Convert to fraction form
    10,522,085.12/15,773,796.48 = 5,127,718.40/x
  3. Step 3: Cross multiply
    10,522,085.12x = 15,773,796.48 × 5,127,718.40
  4. Step 4: Simplify right side
    10,522,085.12x = 80,883,586,448,351.23
  5. Step 5: Solve for x
    x = 80,883,586,448,351.23/10,522,085.12
  6. Step 6: Final answer
    x = 7,687,030.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.