Home / 10,011,511.68-13,815,802.80-5,661,452.16

Finding the Fourth Proportional to 10,011,511.68, 13,815,802.80 and 5,661,452.16

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Solution

The fourth proportional to 10,011,511.68, 13,815,802.80 and 5,661,452.16 is: 7,812,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,511.68 : 13,815,802.80 = 5,661,452.16 : x
  2. Step 2: Convert to fraction form
    10,011,511.68/13,815,802.80 = 5,661,452.16/x
  3. Step 3: Cross multiply
    10,011,511.68x = 13,815,802.80 × 5,661,452.16
  4. Step 4: Simplify right side
    10,011,511.68x = 78,217,506,604,194.05
  5. Step 5: Solve for x
    x = 78,217,506,604,194.05/10,011,511.68
  6. Step 6: Final answer
    x = 7,812,756.86

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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.