Home / 9,301,088.12-12,835,928.79-5,171,543.21

Finding the Fourth Proportional to 9,301,088.12, 12,835,928.79 and 5,171,543.21

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Solution

The fourth proportional to 9,301,088.12, 12,835,928.79 and 5,171,543.21 is: 7,136,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301,088.12 : 12,835,928.79 = 5,171,543.21 : x
  2. Step 2: Convert to fraction form
    9,301,088.12/12,835,928.79 = 5,171,543.21/x
  3. Step 3: Cross multiply
    9,301,088.12x = 12,835,928.79 × 5,171,543.21
  4. Step 4: Simplify right side
    9,301,088.12x = 66,381,560,410,057.84
  5. Step 5: Solve for x
    x = 66,381,560,410,057.84/9,301,088.12
  6. Step 6: Final answer
    x = 7,136,967.16

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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.