Home / 13,774,612.80-20,661,919.08-5,021,547.84

Finding the Fourth Proportional to 13,774,612.80, 20,661,919.08 and 5,021,547.84

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Solution

The fourth proportional to 13,774,612.80, 20,661,919.08 and 5,021,547.84 is: 7,532,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,612.80 : 20,661,919.08 = 5,021,547.84 : x
  2. Step 2: Convert to fraction form
    13,774,612.80/20,661,919.08 = 5,021,547.84/x
  3. Step 3: Cross multiply
    13,774,612.80x = 20,661,919.08 × 5,021,547.84
  4. Step 4: Simplify right side
    13,774,612.80x = 103,754,815,126,428.78
  5. Step 5: Solve for x
    x = 103,754,815,126,428.78/13,774,612.80
  6. Step 6: Final answer
    x = 7,532,321.72

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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.