Home / 9,772,056.72-13,485,454.02-5,421,143.16

Finding the Fourth Proportional to 9,772,056.72, 13,485,454.02 and 5,421,143.16

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Solution

The fourth proportional to 9,772,056.72, 13,485,454.02 and 5,421,143.16 is: 7,481,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,056.72 : 13,485,454.02 = 5,421,143.16 : x
  2. Step 2: Convert to fraction form
    9,772,056.72/13,485,454.02 = 5,421,143.16/x
  3. Step 3: Cross multiply
    9,772,056.72x = 13,485,454.02 × 5,421,143.16
  4. Step 4: Simplify right side
    9,772,056.72x = 73,106,576,820,017.50
  5. Step 5: Solve for x
    x = 73,106,576,820,017.50/9,772,056.72
  6. Step 6: Final answer
    x = 7,481,186.30

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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.