Home / 20,342,317.65-30,513,476.48-13,528,063.05

Finding the Fourth Proportional to 20,342,317.65, 30,513,476.48 and 13,528,063.05

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Solution

The fourth proportional to 20,342,317.65, 30,513,476.48 and 13,528,063.05 is: 20,292,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,317.65 : 30,513,476.48 = 13,528,063.05 : x
  2. Step 2: Convert to fraction form
    20,342,317.65/30,513,476.48 = 13,528,063.05/x
  3. Step 3: Cross multiply
    20,342,317.65x = 30,513,476.48 × 13,528,063.05
  4. Step 4: Simplify right side
    20,342,317.65x = 412,788,233,628,491.81
  5. Step 5: Solve for x
    x = 412,788,233,628,491.81/20,342,317.65
  6. Step 6: Final answer
    x = 20,292,094.58

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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.