Home / 7,819,859.07-11,718,995.76-5,643,526.16

Finding the Fourth Proportional to 7,819,859.07, 11,718,995.76 and 5,643,526.16

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Solution

The fourth proportional to 7,819,859.07, 11,718,995.76 and 5,643,526.16 is: 8,457,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,859.07 : 11,718,995.76 = 5,643,526.16 : x
  2. Step 2: Convert to fraction form
    7,819,859.07/11,718,995.76 = 5,643,526.16/x
  3. Step 3: Cross multiply
    7,819,859.07x = 11,718,995.76 × 5,643,526.16
  4. Step 4: Simplify right side
    7,819,859.07x = 66,136,459,169,786.56
  5. Step 5: Solve for x
    x = 66,136,459,169,786.56/7,819,859.07
  6. Step 6: Final answer
    x = 8,457,500.14

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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.