Home / 10,436,645.80-15,654,968.70-5,047,877.80

Finding the Fourth Proportional to 10,436,645.80, 15,654,968.70 and 5,047,877.80

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Solution

The fourth proportional to 10,436,645.80, 15,654,968.70 and 5,047,877.80 is: 7,571,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436,645.80 : 15,654,968.70 = 5,047,877.80 : x
  2. Step 2: Convert to fraction form
    10,436,645.80/15,654,968.70 = 5,047,877.80/x
  3. Step 3: Cross multiply
    10,436,645.80x = 15,654,968.70 × 5,047,877.80
  4. Step 4: Simplify right side
    10,436,645.80x = 79,024,368,960,424.86
  5. Step 5: Solve for x
    x = 79,024,368,960,424.86/10,436,645.80
  6. Step 6: Final answer
    x = 7,571,816.70

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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.